"Chromium", //fallback for all other chromium variants
"Teams", //When the app is running on a tab inside Microsoft Teams
RunTime.UserAgent- String - UserAgent of the runtime environment, as provided. Can be a Browser Uasr-Agent string, or a string provided by the apps in the several platforms that have them.
RunTime.Version- String - Version of the runtime environment where the app is running, like can be see in "Session Details: PowerApps X.XXX.XXXX"
RunTime.SessionID- String - UUID of the SessionID of the app, like can be see in "Session Details: SessionID: UUID"
RunTime.SupportedFeatures - collection of key(string)-value(boolean) - lists every feature with a true or false value, to easily identify which ones are not available. List the Properties, Objects, Methods of PowerApps.
Example: RunTime.SupportedFeatures.SaveData will have a true or false value depending on platform.
RunTime.IsBrowser = Boolean - true if the app is running inside a browser runtime.
Runtime.IsSupported( "featurename as string") - returns true or false if a feature is supported. "featurename" should be any object or method listed in the documentation.
Example: RunTime.IsSupported("SaveData") will return true on mobile or false on browsers.