Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
Rainbow Skies Demo does not have any trophies. This is because it is a demo and/or soundtrack, neither of which typically get trophy lists. The full (i.e., paid) version of the game likely has a trophy list.
Playable on: PS4 only Rainbow Skies is a fantasy RPG with turn-based battles and a humorous story.
This free demo allows you to try the game for 60 minutes. Meet the heroes, complete quests, battle monsters, upgrade your gear and freely explore one large area of the game.