Apple iOS 3.2-5.0 beta: Original iPhone (3.1), iPhone 3 (3.2), 3GS (4.3), and 4 (4.3 / 5.0 beta)

Android 2.1-2.3: HTC Incredible (2.2), original Droid (2.2), HTC Aria (2.1), Google Nexus S (2.3) 

Android Honeycomb – Samsung Galaxy Tab 10.1

Windows Phone 7: HTC 7 Surround

Blackberry 6.0: Torch 9800 and Style 9670

Blackberry 5.0: Storm 2 9550, Bold 9770

Windows Phone 6.5 – HTC

Nokia Symbian^3 – Nokia N8 (Symbian^3), C7 (Symbian^3), also works on N97 (Symbian^1)