Jay's World - Super Adventure | Dev Blocks Demo 

Here's a 5 minute video mostly showcasing the many devblocks in Jay's World - Super Adventure or aka Super Jay's World. It's not very in-depth and doesn't tell much. But you can see them being used in the Level Editor (Level Maker).
Unfortunately, the Level Uploading and the Level Editor system for "Jay's World" has been discontinued. But no worries, an alternative just released: • Super Level Maker | Fi...
It's better than Super Bino Go and Bob's World 1583 - Jungle Mano Nobs' World Stickman Fight Adventure!