I wasn't quite sure where would be the best place to put this, but my suggestion for the website and app would be to add a wishlist feature just like Steam and GOG and Origin have, that would also give you notifications of when wishlist items go on sale.

See also https://github.com/itchio/itch.io/issues/396

i am not sure if this is a feature< but if it isnt i would love to download my games on to a differnet hardrive instead of the one it deafualty downloads it too. so for exampl instaed of downloading a game to my computers harddrive i could download it to my new 500g usb harddrive.