The Rider Kick mini game is a series of button presses while the displayed Kamen Rider is running. Challenge Ride on the other hand, involves a running Kamen Rider avoiding obstacles. This Tamagotchi has over 40 different kinds of Kamen Riders that you can grow into from the Showa, Heisei, and Reiwa Eras, which includes 7 secret Kamen Riders. Lastly, the item comes with two colors, Genesis Green and Legacy Gold.
This Premium Bandai web exclusive item cost 2,530 yen, and is set for a December release. Pre-orders will end on August 17th. If you ended up missing this item, it will still be available via Kamen Rider Stores (including pop-up stores) in Japan after December.