AyaReiko said: They're clearly not the same thing. The link above is to a platformer. The pic here is something reminesant of Legend of Zelda.
The video and such on that homepage appears to be a different game by the same circle called 東方美襲劇. The game shown here is 東方宝嬌旅. It is indeed a real and was available at Comiket 77.
Sakuya:
K, Kaguya-san!? To think a NEET like you is actually working... I wonder if hell is going to freeze over...
Idiom changed for English audience.