Hi there! You can go to Earn tab, there are different types of offers you can take and earn coins:
1) Install to earn
- install apps or games > complete instructions

2) Do to earn
- simple tasks such as like or subscribe, write a review, surveys, etc. > complete instructions > submit screenshot

3) More ways to earn
- claim daily bonus, watch videos and get MooCode

4) Earn from partners
- answer some surveys or questions

After earning the coins, you can then go to Draws tab, select item that you would like to join the draw > buy the tickets and wait for the winner announcement! (You'll get notified  )