This was a fun game to play, I loved that I could play it on my phone too :)
Very fun to try to get up to that flag when I ended up going round in loops loads up in the top right, got there in the end after playing for like 20mins haha very rewarding to finally get there. Very annoying to fall down all the after all that work getting up though, a bit like hitting the longest snake in snakes and ladders.
Is there any way to get to the gem behind the Tetris block on the bottom right? I spent a few minutes at the end trying, I thought maybe I had to go over the top left to press some hidden button to move the tetris shaped block or something. Perhaps the gem is just a decorative detail that I was obsessing over haha.