Home screen can't work

[jimich]

Hi guys, my home screen has stopped working when I was using an application. Then I've restarded my phone but I still have the same problem
Can someone helps me please?
*My phone is a Samsung Galaxy 551

 

[jimich]

My home screen *button* sorry forgot this information

 

[themib]

Samsung Galaxy 551 - Android Forums
or
Samsung Galaxy Nexus Forum
or
Samsung Galaxy S3 Forum