Download Kick The Boss 2 Apk (Unlimited Money and Diamonds)
This game is version 1.2.2 and No Root. You can install on Android 2.2 and up.
Manual Step: Money: When you spend any money in game, it is added to your amount x2 instead of spending it.
Diamonds: Do some of the mission to get 30 Diamonds, then go to the weapon builder and buy an item for 30 diamonds. Instead of spending Diamonds, they are added back to your amount x4.