For a bit more context, this is the fan project “Bloodborn Kart” with its IP serial numbers filed off.

If you’re looking for a new Jet Set Radio style game, make sure to check out the recently released indie project Bomb Rush Cyberfunk. They did a great job of capturing the JSR spirit while modernizing the controls and gameplay. https://store.steampowered.com/app/1353230/Bomb_Rush_Cyberfunk/