If you're looking to Download LSwitch on your Chromebook laptop Then read the following guideline.

LSwitch is a Mac menu app that let you control your LIFX lightbulbs. You can turn On or Off any device, set color and dim your lightbulbs. You can also turn On or Off all devices by pressing a button. The app will find automatically all your LIFX devices on your local network. You can only control the devices on the same local network with your Mac.