After the Android Lollipop leak for Samsung Galaxy S5 SamMobile seems unstoppable as now it’s Galaxy S4 time to get Lollipop preview. Its almost identical to previously leaked Android Lollipop build for Galaxy S5.
Galaxy S4 Lollipop build is based on an early Lollipop code (LRX02E), instead of the final Lollipop code base (LRX21M) which was released on 3rd November 2014. It is much more responsive than Kitkat build with much better memory management all thanks to ART compiler and optimization in Google code.
Similar to the Galaxy S5 build the Galaxy S4 firmware is also in testing phase and is highly unstable so no download links as of now. We will bring the download link once things are at least us stable enough for daily use. Till then all we have is this video showing Lollipop on Galaxy S4 and screenshots can be seen by visiting the source.