Simply lock your phone on vibration mode (before important meetings) and avoid unpleasant mistakes of accidentally turning the ringer mode on.
* THERE WON'T BE A WAY TO EXIT VIBRATION MODE UNTIL UNLOCKING VIBRATION WITH THIS APP *
This way, you can give your phone to anyone without worrying the phone will exit vibration mode.
When the important situation is over, just unlock vibration mode.
Bugs & Crashes fixes
Very easy to use
Just lock/unlock vibration mode
Supports all Android phones
9Apps 4.9
