Lemonrock can be installed onto your iPhone or Android home screen.

For iPhone, you add Lemonrock to your home screen using Safari, by tapping the share icon at the bottom middle of the screen (a square with an arrow pointing out of it) and then tapping Add to Home Screen from the list of options.

For Android, you add Lemonrock to your home screen using Chrome, by tapping the three vertical dots (or 'more' link) at the top right of the screen, and tapping Add to home screen or similar option.