Here is a brief overview of the game, via its official website:
Try on gacha and challenge the racing! There are infinite combinations of parts!
Get parts by rolling gacha! Build your own original machine and participate in the race! Then use prize money from racing to try the gacha and make your machine more powerful!
This is Gotcha Racing 2nd.
Repeat racing and rolling gacha, and aim to be a Grand Prix winner!
Watch the announcement trailer below.