We haven't had the chance to play this yet, but if it's anything like Grandia II then this must be a game worth playing!
It's fully in English by the way.
Grandia: Parallel Trippers is a Game Boy Color game that can be played here for free on playretrogames.online using your web browser. It was added on 16/2/2019 and has been played 157 times.
play grandia gbc english