Sometimes it’s their own folder in their own sandboxed app directory. A lot of apps do that now to avoid permissions issues. Like the GBA emulator I use no longer puts game saves in the user’s root directory so you can’t even see them without a USB connection to a PC, and even if you do that it’s extreme obfuscated.
Not always, though. Some apps save images to /Pictures, and in there, some of them make their own folder. It really is kinda half baked.
Sometimes it’s their own folder in their own sandboxed app directory. A lot of apps do that now to avoid permissions issues. Like the GBA emulator I use no longer puts game saves in the user’s root directory so you can’t even see them without a USB connection to a PC, and even if you do that it’s extreme obfuscated.