Why are my Chrome apps not installing?
If you can't install an app
Make sure you have the latest version of Chrome. Learn how to update Chrome. If you're using a work or school computer, your administrator might not let you install items from the Chrome Web Store. For more help, contact your administrator.
How do I add actions to Google Chrome?
You can use Chrome actions to modify settings or use features from Chrome's address bar. To do Chrome Actions: In the address bar, enter the task you want. When the Action chip appears under the search bar, tap it.