You can access Lumi on your mobile web browser to work on your Projects from your smartphone.

Add a shortcut link to Lumi on your smartphone homepage to make access easier. 

Add mobile shortcut for iPhone:

Step 1: Using your preferred internet browser from your smartphone (Chrome, Safari, etc.) search 

Step 2: Sign in from the button at the top of the page

Step 3: Log into your Lumi account, and select "Remember my Login". Then press the middle icon at the bottom of your screen and select "Add to Home Screen"

Step 4: Name the app whatever you like ('Lumi' or 'Lumi Login' for example) and then hit "Add"

Step 5: The Lumi shortcut will then appear on your smartphone desktop. You can then position the app wherever you like on your smartphone desktop