Crash on Startup (iPod Touch 4 and iPhone 4)

having downloaded version 0.11.1 (update) which not even exists on the dropdown box of this form ??? on June 5th. after installation when i start minecraft the mojang logo gets displayed and after about 10-15 secs nothing happened and then it closes the game again, without displaying any error message or whatsoever. It just hasnt done anything except displaying the logo. Hope to receive help soon.

Edit by Katten:
This ticket concerns the issue of the game crashing upon launch on Apple iPod 4 and iPhone 4. For the ticket concerning the game crashing upon launch on the Apple iPad, see MCPE-8834. For the ticket concerning constant freezing on the Apple iPad, see MCPE-8706.