Great app As an English-only speaking individual, I find this app a great source of tsume problems. No English language option is currently available, but so long as you can recognize the pieces, you'll find a wealth of challenging puzzles.
This app is active in the smartphone packed para, is Tsume-Shogi collection by Mr. MitsuKazu.
The classic card game Solitaire (Klondike/Patience) with lots of play options!
'Kifu Snap' enables you to score and analyze positions simply by taking a photo.