The contents of this DLC are as follows:

• Gold multiplier + 50% permanently
  
• Red Potion * 3
  
• 500 Ruby
  

This DLC helps you progress early in the game :)
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.
- Red Potion is a consumable item which boosts EXP Gain for monkeys. You can also get it in the game :D