Not the same thing. By owning the Play Store Google gets a cut of every app, not just the ones they make.
> In 2021, the Play Store generated $38.8 billion in revenue, and by 2025, experts predict Google Play Store will make $64 billion annually.
This is why Meta was so big into VR/AR, they wanted to own a (hardware) platform since they don't but rather make apps on others' (Google, Apple, MS).