LG G2's stock launcher with settings works like a charm on Google Nexus 5 running Android 4.4.2.
1) Transparent notification bar and Navigation UI.
2) 5X6 Grid.
3) Total 8 apps can be added in the Dock.
4) Pinch to zoom in zoom out.
5) Wallpaper Selection.
6) Adding widgets.
7) Screens can be removed.
8) Apps or Widgets can be removed from the homescreens.
9) Icons can be changed like real LG UI.
10) Widgets or app movements from screen to screen..
This Version will work only on the STOCK 4.4.2 ROM ONLY.
1) Modified the settings.xml to show all the options of the launcher.
2) Landscape mode added.
3) Added all the 7 Animations of the Launcher to choose.
4) Added Screen loop ON-OFF.
5) Landscape ON-OFF.
6) Themes can be chosen now.
Disclaimer: I will not be responsible for anything that happens to your phone after following this post. You are doing this because you choose to and you alone are responsible for anything that may happen. Use at your own risk.