According to ESRB, this game contains: Mild Violence
Parents should have no concerns in picking up Lunar Legend for the kids. The violence is your standard RPG fare (meaning bloodless) and the story doesn't feature any sex or objectionable thematic material.
Casual gamers who haven't played the game in any of its earlier incarnations will almost assuredly want to give this release a look. Lunar is a classic RPG in any format, and while the changes to accommodate the GBA make this release the least impressive of the bunch, it's still better than a lot of the other handheld RPGs on the market.
RPG fans will undoubtedly own one of the earlier versions already—and as such, there's no real reason to get this one. The changes are minor (and generally not for the better), so just keep that PlayStation version.
Deaf and Hard of Hearing gamers have nothing to worry about (other than missing out on the great music featured in the game). All of the dialogue is presented in easy to read text boxes.