2012.09.06 Ychat with group chat function started |
| 2012.06.01 Smartphone Ad System Advision started |
| 2011.08.08 Hungry Mouse for Smartphone released |
| 2011.07.15 Yicha Game Market for Smartphone released |
| 2012.09.25 Ychat with group chat in Nikkei Sangyo Shimbun |
| 2012.07.04～06 Exhibited in Tokyo International Book Fair |
| 2012.05.16 Exhibited in GMIC |
| 2011.04.22 Touch 25 introduced in LB Nakasutsushin 1st/April |
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