I wrote another Tutorial named Mobile KeyBoard and Hall of Fame for all Mobile Devices where you can download a .capx file with an example of the Safe Zone...
Links:
My site: Slappy Feet Demo
Scirra: Slappy Feet at Scirra
Google: Slappy Feet at Google Play Store
iTunes: Slappy Feet Free
iTunes: Slappy Feet
YouTube: Slappy Feet Video
Note: Slappy Feet is sometimes impossible to play at Scirra (busy server?) but feel free to try it at my site or download Slappy Feet Free (some ads) at the Google Play Store to see what Ed's Safe Zone can do for you...
OSU,
Franco Palmieri - Yvonne Slagveld
AKA
Fronne