陰陽師 ～平安妖奇譚～ (Onmyouji ~Heian Ayakashi Kitan~)
Cellphone card game on GREE[1], developed by Drecom.
Its Mixi application version[2] is a bit different from the GREE ver.
External links
[1] Wikipedia: GREE
[2] Gamebiz: Onmyouji ~Heian Ayakashi Emaki~
- Official page: http://www.drecom.co.jp/pr/release/20101220