Minecraft PE it off my Mobile alone !!!!!

Hello I came to talk about a bug , I'm not sure if it's a bug , I downloaded and installed my MCPE 0.14.0 , there when I got it , I've set everything right there when I created a world , when I entered the world the screen was erasing as if it had been a long time stop and erase , there when I pressed the button to turn on the screen she did not care , then I pressed and held the cell called there , rather the phone hung up then I went out and called my cell is a TIM Motorola XT605 not know if my phone is the is the MCPE or needs program know it, but please mend it I love Minecraft , I downloaded the MCPE 0.14.0 android 2.3 and my android is 2.3.6 and minecraft was not slow or anything ran very well , and no game this happened only with Minecraft Pocket Edition
thanks for listening.

DreikeRock360