This game allow you create the map by yourself to play on, customizable is the thing we aimed to, The most fun part is you can play on your own map or the others map made the the game community, just go to the community, choose a code you seem fun, and copy, and then bam it to your game. Done, you have yourself a custom map!
Here is some save code by the community made:
https://scratch.mit.edu/discuss/topic/428128/
This scrolling platformer creator includes: 10 block types, 3 themes, import/export, undo/redo history, walljump, and mobile controls.
        ✦✦✦ INSTRUCTIONS ✦✦✦
➜ keys (0-9) to select a block
➜ click on settings for MOBILE (top left corner)
➜ use the export button to get a code for your level
➜ “e” to rename a sign
➜ to copy a code on MOBILE, hold your cursor at the 2nd line of the “export” list, and drag straight down to the 3rd line. Click copy. Square Platformer Creator, platformer game, level creator, platformer levels, custom platformer, Scratch platformer, game level design, mobile platformer, game-making, game code, platforming, wall jump, import export, community platformer, custom game, landscape