Talk to your partner and ask him what he coded it in, then start learning it. Also have a talk with him about management issues. It sounds like it's your projec

Talk to your partner and ask him what he coded it in, then start learning it. Also have a talk with him about management issues. It sounds like it's your project but it's not going according to an agreed-upon plan. Having a serious chat with him about it is probably a better place to start than just pulling the project from him.