From basic tasks, such as being a camera (taking pictures) , record/play   videos , record voice , Watching Movies , Alarm Clock , Weather Report , viewing a restaurant's digital menu, health record storage, media library, mobile bank branch, house and car keys, trip planners, send sms , emails , WhatsApp , WeChat , Snapchat , Instagram Facebook , VidMate , TikTok , etc., etc., to more complex ones, like authorizing transactions and so much more .