Other mobile games with level editors?

I'm curious about that too. What's really great about Mekorama is the ability to create our own new content, which keeps the players active even without an update

 

No idea.

 

Once I found one called "Team Run", the editor is easy to understand after some time.

 

I think so far Brawl Stars' editor function is the best (even better than Mekorama's). I love how Brawl Stars has a 'mirror mode' that lets you build stuff symmetrically, like if you are building things on the left-hand side, the same things will appear on the right-hand side. This is extremely useful as it saves so much time in repetitive processes considering Brawl Star's map is much bigger than Mekorama's. In my opinion, Mekorama can also have this function for people (like @Denis Nazin) who like creating a symmetrical design for their levels.

Brawl Star's creative mode also allows your to invites your friends to play your map, and if your friends like it, they can vote for it. With enough votes, your map can be presented to the public so that all people can acknowledge your creation. This function is more or less the same as our forum's Levels section.

Aside from Brawl Stars, Love Balls and Supreme Duelist Stickman also have this function, but I've never tried them myself.