Most likely not. As described in the Cordova documentation and Ionic documentation, the plugin is for devices that don’t already provide an implementation. The vast majority of modern smartphones natively support the WebView Geolocation API. Also, cellphone enabled tablets typically have a GPS. However, WiFi only tablets may be limited to using non-GPS, WiFi-based geolocation, but the Geolocation API will still work although it will be less accurate.
watchId = navigator.geolocation.watchPosition(success[, error[, options]])
Sample application: https://github.com/andygup/ionic2-esri-map