Modify my current angularJS v1.2 project to add Social Login for android and iOS build by phonegap

Hi , My app is smart phone app not web based. And i want to add login with facebook and google functionality within it. It is developed in angularJS v1.2, My requirements are: 1. App should have inappbrowsere to open facebook and google authentication. 2. the final testing will be in android apk and ios build by phonegap. 3. my current angularJS version is 1.2 and u will do changes in my current project. 4. you are free to add any library any dependency in project to make it workable for inappbrowser . 4. the response from google and fb will be within controller I have max 10hrs for this task, After successfull work i'll hire again and again for multiple modules :) . My budget for this module is $100-140$ Max.