I have the working cheat tool for this. Might as well share this to you guys, coz honestly I spent tons of wasted hours searching, and finally found the working cheat / hack tool. Download the full file with instructions here: http://tiny.cc/filedl124 Basically it contains the tool, with step by step instructions. Enjoy!
Hi, I use a hack for Dragon Rampage that gave me unlimited coins gems and more free stuff :) I Hope that this will help you. It really helped me a lot. I have taken it from here: http://g4mehacks.com/dungeon-rampage-hack-v2-5/