Launching Game on Phone but its dont work

Hello everybody im working on a simple 1 lv game with a advanced vehicle of ue4 templete
i did my mini level and before i completry finish it i wanted testing if i cold lauch it on my mobile
i follow the Documentation and if i open a new project with the simple project the game start on the phone
but the moment that i try to build my own project the game dont work and on the von crash with a black screen
so i think the problem is on the project but i dont know how i can find it,
i post my output log :
link text

(sorry for my bad english)