If "Fez Brother" is akin to a game or product related to or inspired by "Fez," a critically acclaimed indie platformer developed by Polyphonic Spree (or its developer, Derek Yu), here's a speculative review based on the excellence of "Fez" and assuming "Fez Brother" aims to capture similar essence or provide a complementary experience.
The character was a brief plot device used primarily to continue the mystery of Fez's homeland and to give Fez a storyline involving sibling rivalry. Because Mark Cuban's cameo was a one-time event, the character of Rico never returned to the show. fez brother
Though not biologically related, Fez’s "little brother" and partner-in-crime, Ashtray, is often the subject of theories regarding his backstory and ultimate fate. If "Fez Brother" is akin to a game