We can make mobile application and web application. You can see about my work in Playstore, Github and My Blog. Link describe below I have account in Playstore, you can see in https://play.google.com/store/apps/developer?id=Ngoding+Bareng I have website for sharing about tutorial in https://dosenprogramming.com I have github account in https://github.com/reza21 if you are interested please we can work together, thanks