Things like Titans of Space [0] and Wooorld [1] are good examples. The sweet spot is apps that let you physically experience things that are otherwise impossible as a learning experience, rather than trying to understand it as dry abstract concepts.

[0] https://www.meta.com/en-gb/experiences/titans-of-space-plus/...

[1] https://www.meta.com/en-gb/experiences/wooorld/4360608937312...

You can turn almost any abstract concept into a hands on experience. Imagine learning any mathematical concept as a liveable experience.