There is one bit of good news. When the app was originally introduced at Build 2014, Microsoft said that it would only run on handsets with 1GB of RAM or more. But Microsoft has been able to tweak the software so that it will work on Windows Phone 8.1 powered handsets that have 512MB of RAM. Why is that so important? Because that means that entry-level models like the Nokia Lumia 520, the most popular Windows Phone model of all time, will be able to support the app.
You can download the Live Lock Screen beta app for free from the Windows Phone Store. And if you want to check out the six different layouts available with the app, click on the slideshow below.
source: @joebelfiore, LiveLockScreenbeta via WPCentral