diff --git a/app-template/apply.js b/app-template/apply.js
index a93a624f8..17b721d9f 100755
--- a/app-template/apply.js
+++ b/app-template/apply.js
@@ -74,7 +74,6 @@ Object.keys(templates).forEach(function(k) {
 
 /////////////////
 console.log('Copying ' + configDir + '/appConfig.json' + ' to assets');
-configBlob = configBlob.replace('{', JSONheader);
 fs.writeFileSync('../src/assets/appConfig.json', configBlob, 'utf8');
 
 ////////////////
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 79828b06b..d5eb311d3 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -7,7 +7,6 @@ import { Logger } from '@nsalaun/ng-logger';
 import { AppProvider } from '../providers/app/app';
 import { ProfileProvider } from '../providers/profile/profile';
 import { ConfigProvider } from '../providers/config/config';
-import { TouchIdProvider } from '../providers/touchid/touchid';
 
 import { TabsPage } from '../pages/tabs/tabs';
 import { OnboardingPage } from '../pages/onboarding/onboarding';
@@ -15,8 +14,7 @@ import { PinModalPage } from '../pages/pin/pin';
 import { FingerprintModalPage } from '../pages/fingerprint/fingerprint';
 
 @Component({
-  templateUrl: 'app.html',
-  providers: [TouchIdProvider]
+  templateUrl: 'app.html'
 })
 export class CopayApp {
   rootPage: any;
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index a875781a7..e39d64d93 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -152,7 +152,7 @@ let providers: any = [
     useFactory: persistenceProviderFactory,
     deps: [PlatformProvider, Logger],
     multi: false
-  },
+  }
 ];
 
 export function declarationsComponents() {
diff --git a/src/providers/app/app.ts b/src/providers/app/app.ts
index a95404b39..8a375c49b 100644
--- a/src/providers/app/app.ts
+++ b/src/providers/app/app.ts
@@ -8,39 +8,35 @@ import { ConfigProvider } from '../../providers/config/config';
 import { TouchIdProvider } from '../../providers/touchid/touchid';
 
 interface App {
-  WindowsStoreDisplayName: string;
-  WindowsStoreIdentityName: string;
-  androidVersion: string;
-  appDescription: string;
-  appUri: string;
+  packageName: string;
+  packageDescription: string;
+  packageNameId: string;
+  themeColor: string;
+  userVisibleName: string;
+  purposeLine: string;
   bundleName: string;
-  commitHash: string;
-  description: string;
-  disclaimerUrl: string;
-  gitHubRepoBugs: string;
-  gitHubRepoName: string;
-  gitHubRepoUrl: string;
+  appUri: string;
   name: string;
+  nameNoSpace: string;
   nameCase: string;
   nameCaseNoSpace: string;
-  nameNoSpace: string;
-  packageDescription: string;
-  packageName: string;
-  packageNameId: string;
-  purposeLine: string;
-  pushSenderId: string;
-  statusBarColor: string;
+  gitHubRepoName: string;
+  gitHubRepoUrl: string;
+  gitHubRepoBugs: string;
+  disclaimerUrl: string;
   url: string;
-  userVisibleName: string;
-  version: string;
+  appDescription: string;
   winAppName: string;
+  WindowsStoreIdentityName: string;
+  WindowsStoreDisplayName: string;
   windowsAppId: string;
-  _enabledExtensions: {
-    amazon: boolean;
-    coinbase: boolean;
-    glidera: boolean;
-  }
+  pushSenderId: string;
+  description: string;
+  version: string;
+  androidVersion: string;
+  commitHash: string;
   _extraCSS: string;
+  _enabledExtensions: object;
 }
 
 @Injectable()
@@ -60,23 +56,21 @@ export class AppProvider {
 
   public load() {
     return new Promise((resolve, reject) => {
-      this.config.load().then((config) => {
-        // storage -> config -> language -> unit -> app
-        // Everything ok
-        this.language.init(config);
+      this.config.load().then(() => {
+        this.language.load();
         this.touchid.init();
         this.getInfo().subscribe((info) => {
           this.info = info;
-          resolve(true);
+          resolve();
         });
       }).catch((err) => {
-        // Something may be wrong
-        reject(err);
+        this.logger.error(err);
+        reject();
       });
     });
   }
 
-  getInfo() {
+  private getInfo() {
     return this.http.get(this.jsonPath)
       .map((res: Response) => res.json());
   }
diff --git a/src/providers/config/config.ts b/src/providers/config/config.ts
index 1c75ee4a6..e584972f4 100644
--- a/src/providers/config/config.ts
+++ b/src/providers/config/config.ts
@@ -2,106 +2,193 @@ import { Injectable } from '@angular/core';
 import { Logger } from '@nsalaun/ng-logger';
 import { Events } from 'ionic-angular';
 import { PersistenceProvider } from '../persistence/persistence';
-import { PlatformProvider } from '../platform/platform';
 
 import * as _ from "lodash";
 
-@Injectable()
-export class ConfigProvider {
-  private configCache: object;
-  private configDefault: object = {
-    // wallet limits
-    limits: {
-      totalCopayers: 6,
-      mPlusN: 100
-    },
+interface Config {
+  limits: {
+    totalCopayers: number;
+    mPlusN: number;
+  };
 
-    // wallet default config
-    wallet: {
-      requiredCopayers: 2,
-      totalCopayers: 3,
-      spendUnconfirmed: false,
-      reconnectDelay: 5000,
-      idleDurationMin: 4,
+  wallet: {
+    requiredCopayers: number;
+      totalCopayers: number;
+      spendUnconfirmed: boolean;
+      reconnectDelay: number;
+      idleDurationMin: number;
       settings: {
-        unitName: 'BTC',
-        unitToSatoshi: 100000000,
-        unitDecimals: 8,
-        unitCode: 'btc',
-        alternativeName: 'US Dollar',
-        alternativeIsoCode: 'USD'
-      }
-    },
+        unitName: string;
+        unitToSatoshi: number;
+        unitDecimals: number;
+        unitCode: string;
+        alternativeName: string;
+        alternativeIsoCode: string;
+        defaultLanguage: string;
+      };
+  };
 
-    // Bitcore wallet service URL
-    bws: {
-      url: 'https://bws.bitpay.com/bws/api'
-    },
+  bws: {
+    url: string;
+  };
 
-    download: {
-      bitpay: {
-        url: 'https://bitpay.com/wallet'
-      },
-      copay: {
-        url: 'https://copay.io/#download'
-      }
-    },
-
-    rateApp: {
-      bitpay: {
-        ios: 'http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=1149581638&pageNumber=0&sortOrdering=2&type=Purple+Software&mt=8',
-        android: 'https://play.google.com/store/apps/details?id=com.bitpay.wallet',
-        wp: ''
-      },
-      copay: {
-        ios: 'http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=951330296&pageNumber=0&sortOrdering=2&type=Purple+Software&mt=8',
-        android: 'https://play.google.com/store/apps/details?id=com.bitpay.copay',
-        wp: ''
-      }
-    },
-
-    lock: {
-      method: null,
-      value: null,
-      bannedUntil: null
-    },
-
-    // External services
-    recentTransactions: {
-      enabled: true
-    },
-
-    hideNextSteps: {
-      enabled: this.platform.isWP ? true : false
-    },
-
-    rates: {
-      url: 'https://insight.bitpay.com:443/api/rates'
-    },
-
-    release: {
-      url: 'https://api.github.com/repos/bitpay/copay/releases/latest'
-    },
-
-    pushNotificationsEnabled: true,
-
-    confirmedTxsNotifications: {
-      enabled: true
-    },
-
-    emailNotifications: {
-      enabled: false
-    },
-
-    log: {
-      filter: 'debug'
+  download: {
+    bitpay: {
+      url: string;
+    };
+    copay: {
+      url: string;
     }
   };
 
+  rateApp: {
+    bitpay: {
+      ios: string;
+      android: string;
+      wp: string;
+    };
+    copay: {
+      ios: string;
+      android: string;
+      wp: string;
+    };
+  };
+
+  lock: {
+    method: any;
+    value: any;
+    bannedUntil: any;
+  };
+
+  recentTransactions: {
+    enabled: boolean;
+  };
+
+  hideNextSteps: {
+    enabled: boolean;
+  };
+
+  rates: {
+    url: string;
+  };
+
+  release: {
+    url: string;
+  };
+
+  pushNotificationsEnabled: boolean;
+
+  confirmedTxsNotifications: {
+    enabled: boolean;
+  };
+
+  emailNotifications: {
+    enabled: boolean;
+  };
+
+  log: {
+    filter: string;
+  };
+};
+
+const configDefault: Config = {
+  // wallet limits
+  limits: {
+    totalCopayers: 6,
+    mPlusN: 100
+  },
+
+  // wallet default config
+  wallet: {
+    requiredCopayers: 2,
+    totalCopayers: 3,
+    spendUnconfirmed: false,
+    reconnectDelay: 5000,
+    idleDurationMin: 4,
+    settings: {
+      unitName: 'BTC',
+      unitToSatoshi: 100000000,
+      unitDecimals: 8,
+      unitCode: 'btc',
+      alternativeName: 'US Dollar',
+      alternativeIsoCode: 'USD',
+      defaultLanguage: ''
+    }
+  },
+
+  // Bitcore wallet service URL
+  bws: {
+    url: 'https://bws.bitpay.com/bws/api'
+  },
+
+  download: {
+    bitpay: {
+      url: 'https://bitpay.com/wallet'
+    },
+    copay: {
+      url: 'https://copay.io/#download'
+    }
+  },
+
+  rateApp: {
+    bitpay: {
+      ios: 'http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=1149581638&pageNumber=0&sortOrdering=2&type=Purple+Software&mt=8',
+      android: 'https://play.google.com/store/apps/details?id=com.bitpay.wallet',
+      wp: ''
+    },
+    copay: {
+      ios: 'http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?id=951330296&pageNumber=0&sortOrdering=2&type=Purple+Software&mt=8',
+      android: 'https://play.google.com/store/apps/details?id=com.bitpay.copay',
+      wp: ''
+    }
+  },
+
+  lock: {
+    method: null,
+    value: null,
+    bannedUntil: null
+  },
+
+  // External services
+  recentTransactions: {
+    enabled: true
+  },
+
+  hideNextSteps: {
+    enabled: false
+  },
+
+  rates: {
+    url: 'https://insight.bitpay.com:443/api/rates'
+  },
+
+  release: {
+    url: 'https://api.github.com/repos/bitpay/copay/releases/latest'
+  },
+
+  pushNotificationsEnabled: true,
+
+  confirmedTxsNotifications: {
+    enabled: true
+  },
+
+  emailNotifications: {
+    enabled: false
+  },
+
+  log: {
+    filter: 'debug'
+  }
+};
+
+@Injectable()
+export class ConfigProvider {
+  private configCache: Config;
+
+
   constructor(
     private logger: Logger,
     private events: Events,
-    private platform: PlatformProvider,
     private persistence: PersistenceProvider
   ) {
     this.logger.debug('ConfigProvider initialized.');
@@ -109,16 +196,19 @@ export class ConfigProvider {
 
   public load() {
     return new Promise((resolve, reject) => {
-      this.persistence.getConfig().then((config: object) => {
+      this.persistence.getConfig().then((config: Config) => {
         if (!_.isEmpty(config)) this.configCache = _.clone(config);
-        else this.configCache = _.clone(this.configDefault);
-        resolve(this.configCache);
+        else this.configCache = _.clone(configDefault);
+        resolve();
+      }).catch((err) => {
+        this.logger.error(err);
+        reject();
       });
     });
   }
 
   public set(newOpts: object) {
-    let config = _.cloneDeep(this.configDefault);
+    let config = _.cloneDeep(configDefault);
 
     if (_.isString(newOpts)) {
       newOpts = JSON.parse(newOpts);
@@ -137,7 +227,7 @@ export class ConfigProvider {
   }
 
   public getDefaults(): Object {
-    return this.configDefault;
+    return configDefault;
   }
 
 }
diff --git a/src/providers/language/language.ts b/src/providers/language/language.ts
index f273384a4..2e3f0a1c5 100644
--- a/src/providers/language/language.ts
+++ b/src/providers/language/language.ts
@@ -56,14 +56,13 @@ export class LanguageProvider {
     });
   }
 
-  init(config: object) {
-    // Get from browser
-    let browserLang = this.translate.getBrowserLang();
-    let validBrowserLang = this.getName(browserLang) ? true : false;
-
-    let configLanguage = config['wallet']['settings']['defaultLanguage']; // TODO
-    if (configLanguage) this.current = configLanguage;
+  public load() {
+    let lang = this.config.get().wallet.settings.defaultLanguage;
+    if (!_.isEmpty(lang)) this.current = lang;
     else {
+      // Get from browser
+      let browserLang = this.translate.getBrowserLang();
+      let validBrowserLang = this.getName(browserLang) ? true : false;
       if (validBrowserLang) this.current = browserLang;
       else this.current = this.getDefault();
     }
diff --git a/src/providers/tx-format/tx-format.ts b/src/providers/tx-format/tx-format.ts
index 499dc6595..213e16a56 100644
--- a/src/providers/tx-format/tx-format.ts
+++ b/src/providers/tx-format/tx-format.ts
@@ -21,11 +21,10 @@ export class TxFormatProvider {
     private filter: Filter
   ) {
     console.log('Hello TxFormatProvider Provider');
-    console.log("configProvider", this.config.get());
   }
 
   formatAmount(satoshis: number, fullPrecision?: boolean) {
-    let settings = this.config.get()['wallet']['settings']; // TODO
+    let settings = this.config.get().wallet.settings;
 
     if (settings.unitCode == 'sat') return satoshis;
 
@@ -64,7 +63,7 @@ export class TxFormatProvider {
   formatAlternativeStr(coin: string, satoshis: number) {
     return new Promise((resolve, reject) => {
       if (isNaN(satoshis)) resolve();
-      let settings = this.config.get()['wallet']['settings']; // TODO
+      let settings = this.config.get().wallet.settings;
 
       var v1 = parseFloat((this.rate.toFiat(satoshis, settings.alternativeIsoCode, coin)).toFixed(2));
       var v1FormatFiat = this.filter.formatFiatAmount(v1);
diff --git a/src/theme/variables.scss b/src/theme/variables.scss
index f32a3d898..1900ce3e6 100644
--- a/src/theme/variables.scss
+++ b/src/theme/variables.scss
@@ -19,7 +19,30 @@ $app-direction: ltr;
 // To view all the possible Ionic variables, see:
 // http://ionicframework.com/docs/theming/overriding-ionic-variables/
 
+// TODO: Custom variables (backward compatibilities). Will be REMOVED
 
+$v-primary-color:                                    #192c3a;
+$v-secondary-color:                                  #31465b;
+$v-accent-color:                                     #1abb9b;
+
+$v-dark-gray:                                        #445 !default;
+$v-mid-gray:                                         #667 !default;
+$v-light-gray:                                       #9b9bab !default;
+$v-title-gray:                                       #c2c9d1 !default;
+$v-subtle-gray:                                      darken(#ffffff, 5%) !default;
+$v-btn-active-color:                                 #148e76;
+$v-background-warning:                               #ffa500;
+$v-background-success:                               #1abb9b;
+
+$v-onboarding-color:                                 #ffffff !default;
+$v-onboarding-bar-header-color:                      #ffffff !default;
+$v-onboarding-bar-header-button-color:               #ffffff !default;
+$v-onboarding-gradient-top-color:                    $v-primary-color !default;
+$v-onboarding-gradient-bottom-color:                 $v-secondary-color !default;
+$v-onboarding-checkbox-on-border:                    $v-accent-color;
+
+$v-button-primary-bg:                                $v-accent-color !default;
+$v-visible-radius:                                   6px !default;
 
 // App iOS Variables
 // --------------------------------------------------