Yes, ClickShare supports Android devices. You can use the ClickShare Mobile App to share content to the meeting room display.
See How to use the ClickShare Android App
For a list of supported Android versions, refer to your ClickShare Base Unit specification sheet, a direct link to each ClickShare Base Unit specification can be found in the KB article Where I can find the specification of the ClickShare Base Unit.
For Android mobile devices the ClickShare Mobile app is available in the Google Play Store and supports both Android phones and tablets.
You can also use Google Cast to share from Android devices (may need to be turned on in the ClickShare Configurator).