I love the message of the game. It's not your typical "get to the end of the level" platformer. In every single second of the game, you feel like you're working toward something. Something meaningful.
The visuals are great. Art is simple but clean, and that's a good thing. Colors make it easy to understand what's safe and what's not. Animation is simple, but still makes the world feel like it's not stagnant. Like it's... real.
The worldbuilding makes the game feel surprisingly immersive. I enjoyed each and every different area, and the personalities of the people, which differs from area to area--progressing and seeing the world changing, leaving people behind and meeting new ones, really sells the fact that you're not there to stay, and just "passing through". It makes it feel as if you're making progress and doing something productive.
Overall, well done.
BTW: Who's Mikey?