4 Go
Aug 3, 2026 · seen Oct 6, 2026
Mental BO is an education app by Small Horses with 1+ downloads (about 4 estimated). Released Aug 2, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “This resembles a test taken for one of the air forces. I call int BO(ring). It is to check your ability to do nothing without loosing focus. The test was taken after lunch. We were woken up at 4 o'clock. You get to see the screen with a hood, so you are isolated. You also get hearing protection. And it goes on for 30…”
