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According to the release schedule of Famitsu, the two games for the PlayStation Vita Cave were canceled.
At the Tokyo Game Show Cave Vita had promised to support the two games, one shooter and one casual game, but apparently the two games will not be posted.
There were very few details about the games, the shooter would make use of the gyro platform and would use the WiFi, but otherwise nothing had been revealed.
Famitsu has updated the situation of two games canceled but has no explanation why we have to wait for the Cave.