I think a map is needed. At least something like a sheet of paper where Lona draws the entire island and the locations she visits.
I think this would improve the game experience without making it easier and at the same time it is logical, Lona knows how to read and learned in a second how to use a cannon that no one else could use, so why doesn't she carry a map with her?
Also, unrelated but GOD how useless Cecily is in contrast to how useful Gray Rat is, bro tanks everything for you while Cecily has an insane urge to die, I know it's to balance the team but I hope they make Gray Rat less tanky and give Cecily more survival, because constantly looking after her is irritating.