There some features in new Android Oreo that might be quite different from the previous Android OS. 1) Background Activities Numerous background activities keep running that usually drain battery. Android O might be changing how these activities use battery by limiting them. 2) Picture in Picture You will now be able to watch videos on a small virtual screen while finishing up on a task. In a way, great way to multitask. 3) Notification channels and dots Users will be able to change behaviour of channels through app notifications. You can restrict what is relevant to you. 4) Autofill APIs Still struggling with autofill? Well, seems Android just listened to you. You will now be able to access all password managers much easier when the operating system works with the third party apps to ease password and other information used in third party apps.