build me an brain-train game app

We are a team of Mobile Application Developers having expertise with Android/iOS and few of HYBRID Technologies like Xamarin and React Native. The Team has got extensive experience with Mobile App Development and Enhancements as we have developed more than 100 Apps. Please give us a chance to showcase our work

hello hope you are having a good time we have 20+ readymade games if you wanna buy and we have experience developers and designers who can work on your game looking forward to hearing from you thank you

hello sir how are you? sir let me know first which type of "challenging " game you want? do you have any example of your idea? tell me more details about your idea am waiting for you

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I have all the time in the world. Relevant Skills and Experience Android Studio. Helped with the Jeporady app.