Join Mobily 
Google Play
An easier way to pay using your Mobily phone number
Pay easily for Android apps with your number.
On your Android Phone or Tablet:
- Open Google Play app.
- Go to Menu, tap on Payment methods.
- Under Add payment method, select Enable Mobily billing.
On your Android Phone or Tablet:
- Open Google Play app.
- Go to Menu, tap on Payment methods, then More payment settings.
- Under the payment method you want to remove, tap Remove.
Android Operating Systems.