The vibration would not function if the app was not promptly opened, which is inconvenient. By "not immediately opened," I mean that you must be on the app for it to operate; even if it is open in the background, it will not work.
The vibration would not function if the app was not promptly opened, which is inconvenient. By "not immediately opened," I mean that you must be on the app for it to operate; even if it is open in the background, it will not work.
