My game runs just fine in Simulator, not on device

I have iPhone 4.

is there anything particular I should be looking for ? I could copy the code here, it isn’t long, less than 200 lines total in 2 files.

What happens is that the Default.png is showed, the status bar hides, then nothing.
No timers appear to run and no start text is rendered [import]uid: 61610 topic_id: 10630 reply_id: 310630[/import]

Strangely enough, it works on my Android phone [import]uid: 61610 topic_id: 10630 reply_id: 38624[/import]

Does not work in xcode simulator, does the exact same thing as on the phone [import]uid: 61610 topic_id: 10630 reply_id: 38627[/import]

I think I have fixed this. Apperantly I had a typo in the Font name, and the font was not found on the device, that sent the app to use full cpu.

By changing the font to Helvetica, solved this. Kind of weird though [import]uid: 61610 topic_id: 10630 reply_id: 38637[/import]