If you're looking to Download S1 & S2 Controller on your Chromebook laptop Then read the following guideline.

Control any wireless speakers and music centers from your iPhone or iPad! Cast & Control Speaker App is compatible with most Sonos Speakers. FEATURES: ・Connect our app to your Speakers via Wifi or Bluetooth and play Music from your phone Library. ・Auto Detect Sonos Speakers ・Auto Resume Previous Cast Session ・Play and stream music from iPhone NOTE: - Make sure your device and your speaker are connected to the same wifi network. Payment and Subscription Information: • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://sites.google.com/view/speaker-control-policy/ Terms of Use: https://sites.google.com/view/speaker-control-terms/