An old project I had lying around. Change the line mode by clicking in the top right corner. Play the animation with the play button.
The app is completely secure for downloading. Lines has been originally developed by Samo Remec and it refers to the Educational category. People rated the tool 4.6 on Google Play.
Over 100 users downloaded and installed this application and its latest update was on Oct 1, 2015. Get the latest setup package of Lines 1.0 free of charge and read users' reviews on Droid Informer. The app is built for Android 4.0 and higher.