Battery charger shake prank

Imagine if you can charge your phone battery just by shaking your device in a very little time.
with this prank app you can now pretend that charging your battery phone by shaking is possible.
all your friends will be amazed with the new way that you charge your battery phone .
this app is free and only for having fun , it will not charge you battery phone with shaking your device.
feel free to rate us.thanks