In experiment summary，when user click enter experiment，it will call the application to open the experiment by scheme url.But sometimes the user has installed the physics lab client，so we need to guide user to install the application to open the experiment by the URL http://pl.turtlesim.com/app/cn or http://pl.turtlesim.com/app
In experiment summary，when user click enter experiment，it will call the application to open the experiment by scheme url.But sometimes the user has installed the physics lab client，so we need to guide user to install the application to open the experiment by the URL http://pl.turtlesim.com/app/cn or http://pl.turtlesim.com/app