You need to place the files either in the game folder under the path Flowers\game\saves.
Flowers\game\saves
If that doesn't work, then place them here: C:\Users\User_name\AppData\Roaming\RenPy\Flowers-('numbers')
C:\Users\User_name\AppData\Roaming\RenPy\Flowers-('numbers')
I make sure that old saves work with every update. They work on my devices.
I'd like to understand what the problem is. If it's not too much trouble, could you send a screenshot/traceback/etc. either here or in the Discord channel?"
There will be a harem option, too.
There will be a choice in the future, depending on the route.
If you're referring to the browser version, it's because of site limitations.
The PC and Android versions contain all available episodes.