When are thy going to get jailbreaking with jailbreakme.com for iOS 5

Please help really want battery percent on my 4g itouch

Perhaps you should visit one of the developer's sites that does this sort of thing.

They'll have it when they find a new exploit. The vulnerability that they were exploiting to make the jailbreak work was fixed in iOS 5. That's the deal; find an exploit and jailbreak with it, Apple fixes vulnerability, repeat process...