This channel is about showing you how to create android applications and hopefully to have fun while learning android.
There are different types of android tutorials ranging from beginners to advanced. There is even a series on teaching my wife android.
There is much more than just the videos as well. If you visit the channel website at https://www.nigeapptuts.com you can find the details of where the source code lives in github as well as explanations of the tutorials code.
So come on in and learn how to create great android applications.