Programming is just part of making a game, but can easily take all your capacity to learn it. You need to learn planning, estimation, graphics, music, either creating them yourself or working with artists, marketing, writing, dealing with distribution, community management, the list goes on.

You could say “making your own music is a good way to learn” and you’d be right, but if your goal is shipping a game, and learning game development, making your own music and building your own engine is not the way to do it. Unless your goal is learning these disciplines, not making a game.

“Show all posts from newest to oldest” is an algorithm.

“Shows random 10 posts, unordered” is an algorithm.

It’s not possible to show a list of items without an algorithm. You may of course take issue with what the algorithm is, but you can’t not have one.

Since it’s end to end encrypted, Ente just sees some raw bytes, it has no way to tell if what you uploaded is an image or not. So in practice it supports whatever the client can display, so your browser for the web version.