One of the challenges of Android app development is that the platform is constantly evolving. This can make it difficult to keep your app up-to-date, as you need to make sure it is compatible with the latest versions of Android.
Another issue is that Android devices come in a wide range of shapes and sizes, which can make it hard to ensure that your app looks good on all of them. And finally, there are a lot of different Android devices out there, which means more testing is required to ensure that your app works well on all of them.
So while Android app development can be challenging, it is still possible to create successful and popular apps. If you are up for the challenge, then we encourage you to give it a try.