When solving Go problems, not only the problems themselves are important, but also the interface, the presentation and the convenience of using the collection. Android app Alpha Tsumego combines a quality collection of Go problems and user-friendly interface.

Alpha Tsumego on Google Play
https://play.google.com/store/apps/details?id=ru.bandgplay.tsumego

Features:

• 6500 Go problems from 30 kyu to 6 dan
• Alpha Tsumego offers you daily problems from different sets
• Built-in rating system determines your level

Game aspects:

• Life and Death
• Tesuji
• Semeai
• Attack and Defense

Visual goban decorations include the familiar themes from KGS and Fox servers, as well as a black and white book theme.
This tsumego collection contains problems for beginners and for master players.

Solve Go problems and play better!

For suggestions and wishes: bandgplay@gmail.com

Sorry I have to ask... Does this app have some relation to AlphaGo or does the name just ride with the brand of AlphaGo? For example, I opened this thread to see if there were AI generated tsumegos or solving AI inside due to the name, but felt a bit mislead when I read this.