A:AnswerYes, only if you have your phone connected via bluetooth. In order for you not to have it connected, you would have to get the LTE version and a contract from a service provider.
A:AnswerYes, it shows whatever events are in the calendar on your phone, so as long as your phone is syncing with Google and has reminders set up, it will show those events/reminders.
A:AnswerIt says it will alert you when your heart rate is 120+ for longer than 10mins while at rest but it doesn't let you adjust the alert settings. I think you can download other heart rate apps tho that may allow you to adjust the alert settings.
A:AnswerYes on notifications for Ring and other apps. You can make and receive calls, but only as a dialer and to answer...not to actually talk. You still need your phone nearby for that,
A:AnswerGo to the Galaxy Store for supported apps and look around. I know it tracks my steps and stores them. If the app you're referring to is already on your phone everything transfer over. Good luck with your half marathon.
A:AnswerYou can text and answer calls, but if you do not have the one that is sim compatible it simply pairs to your phone through bluetooth, so you have to be near your phone to be able to use these features.