We wish the backside shoulder buttons were positioned at an angle because they were difficult to press with a phone attached.

ENGADGET: Gametel bluetooth controller for Android and iOS hands-on

The shoulder buttons have been pushed more to rear to be easier to press, while the action buttons and D-pad have better tactile feel and responsiveness.

ENGADGET: LeapFrog LeapPad 2 and Leapster GS Explorer hands-on (video)