Give me an ability to buy ice cream in a different store, and I would have no problem with that. However, on Apple devices you are locked to AppStore, and moder

Give me an ability to buy ice cream in a different store, and I would have no problem with that. However, on Apple devices you are locked to AppStore, and modern Android devices, while still giving you an ability to sideload apps, have severe limitations on their functionality without access to google play services (chiefly, push notifications are a must for any communication app)