Hello, I think you don't know 2 mechanisms of itch.io :
-The devlog have an option to promote each significant amelioration of one of your games. The option to the right on the picture 
-And an option to create patches: You will find this line when you will upload your game (in edit): "Use butler to upload game files: it only uploads what's changed, generates patches for the itch.io app, and you can automate it. Get started!"
You also have the possibility to create bundles to promote your 3 favourite games at the same time.