The contents of this DLC are as follows:

• Monkey Exp + 20%
  
• Gold Multiplier from submonkeys + 50%
  
• 3000 Rubies
  

This DLC helps your monkeys grow faster :D
It stacks with other DLC.

Note:
- Ruby is a premium currency. You can purchase premium items in Store with it. You can also earn Ruby through achievements in the game.