Commotion User Interface and Documentation resources are currently locked, pending updates. The Commotion project expects active development in 2019. Keep up with the Localization Lab Google Group or on Transifex for project updates.
"Commotion is a free, open-source communication tool that uses wireless devices to create decentralized mesh networks. Commotion provides a way for you to share your Internet connection with the people around you, but it is not a replacement for your Internet connection."