IT TOTALLY WORKS ON iOS 4 and 3.x.x, tested on iPhone 4 iOS 4.0.1, and iPod Touch 2G 3.1.3, and it´s fully working repo:ihacksrepo.com.
go to you're ipod, unlock it, double click the home button, swipe to the right going back a page, and hit the rotating arrow. DONE!!!!
Tweak: iNoRotate Description: Disable Auto-Rotate On iPhone, iPod Touch, iPad. Repo: BigBoss Price: Free More information: http://bit.ly/o68XV1 Like ...
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So if your screen isnt showing up, and its all black, just watch this video and you will know how to fix your iPod lock screen!
From I Love gaming
Here is how to use assistive touch on the iPhone 6, iPhone 6 Plus, iPad and iPod Touch. It should work the same with older devices running iOS 8 or above.
From DHTV - Dan