- Extract your save with a homebrew (JK's Save Manager or other)
- Open pm4_0, pm4_1 or pm4_2, edit
- Re-import your save with a homebrew (JK's Save Manager or other)
- Edit HP, coins, comet, time
- Edit album stickers
- Unlock album pages
https://github.com/Brionjv/Paper-Mario-SS-Save-Editor/releases
https://gbatemp.net/threads/release-paper-mario-ss-save-editor.472281/