[5.1.1][App]Cost saving option in conversations By RXSMB

Hello People !!

I edited a little conversations with cost saving option.

See here a screenshot:

It works only on Android 5.1.1, i test it on my Z3 on MW Epidemic V2.0.0
all works fine !!

Install:
Just flash this zip: Click Me

Credits:
@DaRk-L0rD for his Tutorial !