The Web version of the Flowsheets and Whiteboard can be viewed on any tablet or smartphone however, phones offer a very limited ability for making changes, and are best used for basic viewing. There is no app available for Android,  also,considering the size of the phone screen, utilization of the Smart Flow application on your phone may not be comfortable .

Smart Flow application was designed specifically to be used on the iPads, and we strongly recommend you to download the application to your iPad and take advantage of all the app features. 

To read more about hardware and software requirements you need to start with Smart Flow, please check THIS article.