1.1 update is in tests now. Should be at App Store next week.

Here is complete list of fixes and changes in Sky Combat 1.1 update:

• New more intuitive relative touch control for heli, boat and tank,
• After death you do not need to replay whole campaign. You can start from last played level,
• Large powerup buttons,
• New simplified menu system,
• Game Center support,
• iPod music during gameplay,
• Autofire always turned on,
• Game hints can be turned off,
• In some cases difficulty level was not saved. We fixed this problem.

Hope you will like changes :).