Barter is a platform for earn money through smartphone.
No investment needed .
Work from any location.
Add friends to get extra points .
Real time update of your earnings.
Make use of your free time.

Link for tutorial
https://youtu.be/ci4-qRYpJUc

There is three steps to start your account.
1 . Download barter app
2 . Create an admob account using your mail id and create ad unit.
3 . Download adsence app for view your earning.
https://play.google.com/store/apps/details?id=com.google.android.apps.ads.publisher&hl=en_IN
Step 1 : register in barter and login .
Step 2 : create ad id as per tutorial and copy ad id and add your billing details(only address) .
Step 3: back to barter and press add adunit button and select interstitial and paste your ad Id copied from previous step.
Step 4: download adsence app and login using your mail Id .it will show pending approval .let’s wait for google to approve our account.
Barter app will show ads .when you click on ads your adsence account will credited with money. Payment is done by google .