Hiragana, symbol-to-reading and reading-to-symbol. Includes dakuon and handakuon versions and yoon (combinations). All cards are accurately tagged to allow you to study or rehearse only specific subgroups. The reading side mentions that the hiragana is expected, so you can combine these cards with katakana without worrying about duplicates.
Front side is Kanji, back side is hiragana+russian translation