android phone

Hello Everyone, Please help me out with my locked phone. My 6 year child was texting on WhatsApp somehow the mobile got restart and screen got locked. All the notifications are there on the mobile but when I scroll to unlock the phone it shows some mysterious lock with only "text box with...

I need a clear video (HD) live feed from a camera to an android phone. The connection can not be wireless because i have to use it without any internet. The camera and phone will be 2 or 3 meters apart at most. It also has to be battery powered for at least 3 hours. I also want the video...