It is important to clarify the provenance of the translation for this specific title.
Katekyo Hitman Reborn! Kizuna no Tag Battle is a PSP fighting game released only in Japanese. An English fan translation patch was worked on by fans, but as of my latest knowledge, no complete public English patch has been released for this specific title. Most fan translation projects for Reborn! games focused on the DS titles or Battle Arena series. It is important to clarify the provenance of
The game features a wide cast from the Vongola and Varia families, utilizing the Box Weapons and animal companions seen in the anime's Future Arc. but as of my latest knowledge