iOS 10 was the last version to support 32-bit apps. iOS 11 killed them entirely. iOS 9.3.5? It runs them natively.
Build configuration recommendations (Xcode): ipa library ios 935
The libraries you build today are the only thing keeping Flappy Bird, the original Minecraft PE, and the pre-subscription versions of Photoshop Express alive. However, remember that security ended for this OS in 2018. Every IPA you install is a potential trojan horse. iOS 10 was the last version to support 32-bit apps
Below are concise, practical sections addressing these intents. the original Minecraft PE