One of the most vibrant communities for iOS 7.1.2 is the emulation scene. Because modern iOS versions have tightened security restrictions (and banned emulators from the official App Store), older iOS versions are actually better for retro gaming.
For those willing to dive deeper, jailbreaking iOS 7.1.2 via tools like opens up the world of Cydia . ios 7.1.2 apps
Older versions of Evernote , Dropbox , and the classic Notes app still sync relatively well. One of the most vibrant communities for iOS 7
Modern mobile gaming is riddled with microtransactions. iOS 7.1.2 games were from the "premium" era. ios 7.1.2 apps