A free app for Android, by LEGO System AS.

This is the official app for the LEGO® Builder. With the LEGO® Builder app, you can scan the QR code and start building your own creations. It is the best app to get digital building instructions for your LEGO construction sets.

This app is the best for kids and adults who want to make a cool construction. You can build big or small. There is no limit to your imagination. There are many great sets, and new sets are always added. You can get all the information about your set and find new and exciting challenges to rig your bricks.

LEGO® Builder is a fun app that helps you when you’re building selected LEGO sets and guides you smoothly through the building process.