Category | Price | Seller | Device |
---|---|---|---|
Games | Free | Takuharu Mizoguchi | iPhone, iPad, iPod |
You must remember the numbers at a glance.
If you correct, try more difficult stage!
Takes too long to get into the "training zone. Why would you get to 12th grade just for a day and then have to to 1st, 2nd, etc grade to get back up there? It's anti-training..