Android app does'nt work

Hi. I’m just testing android app from unity. I set up android sdk everything ok. Then I open First Person Controller For Android in standart assets. I’m exported for my phone (galaxy gio) everything OK it works. Then I’m just added skybox and some textures. It exported i’ve tried to open in my phone just show powered by unity and exit. I’ve tried also on Samsung Duos and Galaxy Note. It doesn’t work please help me. And sorry for my English i’m from Armenia

See section headed “Your application crashes immediately after launch.”