A free program for Android, by Dennis Tideman.
Skills & Fills – Drum lessons is an app for all drummers, from beginners to professionals. With over 60 chapters, you will find tons of information and lots of entertaining and educational games.
The app is very easy to use and understand. You just have to select the type of chapter you want to play. Then, you can select the type of fill you want to play, from simple to complex.
After that, you will have to play the fill. You can use your phone or tablet to play the music. You can also use the sound to help you learn to play the drum.
The best thing is that the app has a lot of different music and you can listen to it to get better at playing the drums.
The app is very useful for all levels of drummers and for all types of fills.