I dont know why main manu does that, it worked normally at Android. Cheat Menu is available at PAL version, pushing left, right, left, 2x right, left, 3x right, left, 4x right, left, 5x right unlocks it. You can adjust difficulity by changing AI skill. Cheat menu includes: level selector, cheating flags (disabling bots, damage taken - works also for bots, disabling deaths, freezing time, show/hide health numbers and toggling menu on/off), tweaking settings (changing AI quality and their target factor) and tweaking awards (adding % progress)