I always thought it would be cool to have a complete spin-off title where instead of the typical "You're a trainer and you battle the gyms and become the region's new leader" plot, you start out as a fledgling contest coordinator (kind of like Dawn and Serena in the anime) and instead of challenging gyms, you go from town to town and challenge all the contest halls, and the goal of the game would be to become the region's new contest champion. Instead of trainers challenging you to battles along the roads, other coordinators will challenge you to dance-offs or move performance contests with your Pokémon! Like how each gym focuses on a "type", each contest hall would focus on a specific attribute, like "coolness" or "cuteness", and you would have to choose your strategies based on that. A game like that would also give players a chance to play a Pokémon game with their favorite Pokémon, rather than just having to use the strong ones to win battles. I'm not sure how many players would appreciate a Pokémon game without violence or battling, but I always thought that the contests in the main series games deserved to be more than just an optional mini-game within the main game, especially with how complex R/S/E/OR/AS's talent round and the acting round of D/P/Ps were.