What do you mean, a lot of apps in the AppStore are open source. Are you talking aboutva different concept?
Discussion
Vitor only wants to build on open operating systems. That is why no ios.
Then I don’t trust it, what does it have to hide.
You have this all backwards.
Right, but what you are describing is iOS (a closed-source operating system). Android is open source, which is why Vitor prefers to build for Android.