Sphero Ollie Hubcap Replacement (Flux Hubs) Easy to customize your Sphero Ollie. These nubby tires allow it to go on sandy beaches or pebbles. With iOS/Android app, it will increase the connection between the virtual world and real world. You can experience exciting action using the controller app on your iPhone/iPad/iPod touch or Android smartphone. There are some settings on the original app. You can change environment, speed control, and grip control freely. You can even command various actions.