If you're looking to Download Gran Turismo® Sport Companion on your Chromebook laptop Then read the following guideline.

The official Gran Turismo Sport Companion keeps you connected to your GT Sport experience wherever you go. Log in to PlayStation™Network. Millions of GT Sport players are taking photos of beautiful cars and locations, creating cool liveries, and sharing intense race moments. Enjoy these in your personalized ACTIVITY FEED and Like, Comment and Repost the best. Post a STATUS UPDATE to share your thoughts with your Friends and Followers. Keep track of your personal Game Stats and Achievements on MY PROFILE to see where you are doing well and identify what to work on next to be an even better driver. Use the VERSUS VIEW to compare yourself with your friends and drivers from all over the world who are learning and improving like you. NOTIFICATIONS keep you updated about who is Liking, Commenting and Reposting your Activity. *To access the app, you must log in using the same PSN Online ID and password used with GT Sport on the PlayStation®4 system.