Hiya has replaced Mr Number, it’s the same company that develops it.

I’m not sure you understand how reviews work. Most Games, Movies, Music, even electronics, get reviews prior to release. This gives you, the consumer, a chance to make a decision prior to purchase.

The trick is to turn on Serious Mode when you are selecting a course during the tournament. This will give you more coins and Exp points to face the VS Characters faster. Once you beat 3 VS Characters, you will level up and open more courses.