This game is all about popping ballons. You can get upgrades that give you either more lives or more popping power. How many rounds can you win? Make it to 50 and you have won the game. You can then continue in freeplay mode.
If you have further questions or want to share your experiences, check out the google+ community: https://plus.google.com/u/0/communities/106796514509543020691
Font: Carter One, https://fonts.google.com/specimen/Carter+One, by Vernon Adams