Hello,
I understand you are finding a person who will help you improve/create a minigame. As a developer in Gameloft studio for years, I pretty familar with game programming. And currently, I'm a new member to freelancer.com, I need high rate than money, so I would like to do this for you with lowest cost as I can. If you choose me, I will try my best to finish project for you on time after we have a discussion about your requirements, Thank you.
Best regards,
Binh