Parallax-3D wallpapers makes everything on your screen appear more lively and dynamic, and it's plain old fun twisting the perspective via your device's in-built gyroscope. The idea is simple but cool, it's basically one wallpaper with multiple layers that gives you a 3D-depth effect while swiping left and right.

Here's TWO of the best Most Beautiful parallax wallpapers for Android that are also FREE and and ads-free in the Google Play Store.

1. Mountains Now Free Wallpaper

A Live Wallpaper inspired by the Google Now Mountains theme! It features an upriver journey with boats travelling along the rocky mountains. The wallpaper makes use of the 3D Parallax effect using the gyroscope. It's beautiful and very Googley!

2. Night Sky Live Wallpaper

Night Sky Live Wallpaper, inspired by new LG G2 sky background with 3D parallax effect and stars. This sure makes it more interesting than that thing on everyone's MacBooks.

You can Now try out the latest App version of Facebook For Android version 13.0.0.0.8 Alpha Build. This Alpha version will show you what Facebook is preparing for you, take a sneak peak at the new features and User interface changes. Current Facebook stable version is 11.0 and Beta version is 12.0 and you can roll back to the official version or beta version at anytime via Play store.

Facebook version 13 packs many UI changes, lots of bug fixes and performance improvements. So you'll be running a version that is supposed to be released 3 months from Now.

After downloading the latest Alpha build, Facebook suggests turning on automatic updates as it plans on updating the app a few times a week. Doing so will ensure you're always running the latest version. The APK file provided below is the official APK from Facebook ALPHA program and hasn't been modified.

Download Facebook v13.0.0.0.8 [APk]

The beta version of Nova Launcher, which now supports the "Okay, Google" hotword, has just been updated with some of the Material Design looks and animations, which come straight from the upcoming Android "L" release.

Version 3.0.2beta1 of the popular Android launcher sports a number of brand new visual goodies not only animations, but folder previews as well. Additionally, the app has been fine-tuned and optimized to run on the already-released Android L preview.

Here's the Full change-log:

- "L" Folder Preview (Nova Settings - Folder - Folder Preview - Line).

- "L" App Drawer Icon (Long-press app drawer, Edit, Tap Icon, All white icon under Built-in).

- "L" App Animation (Nova Settings - Look and Feel - App Animation - Slide Up).

- Minor tuning for running on Android L Dev Preview.

- Optimizations and bug fixes.

Nova Lacunher "BETA"

You probably heard about Google New Android L UI called "Material Design". One of the noticeable tools on the Android L Preview is the Google's New Keyboard, with a fresh new look flat keys and an amazing Material theme.

Surprisingly, You can Now Download Android L keyboard as a separate download via Google Play Store for FREE and NO rooting is Required. It works on all Android devices version 4.0+ (ICS, JB and KiKat).

After you download the Android L keyboard, follow the instructions Below to Apply the New Material theme. The new keyboard doesn't feel too different from the standard KitKat keyboard, but it does look nicer at least in our eyes.

After Installation Instructions:

- Go To Settings
- Click on Keyboard (sometimes called Language & Input)
- Turn on the Android L Keyboard
- Scroll down to advanced settings
- Change Color Scheme to "Material" (To get the New Look)
- To use, go into somewhere you can type, drag down your notification bar and switch the keyboard there.

Download Android L Keyboard [Play]

You can Now try out the latest App version of Facebook For Android version 12.0.0.0.12 Alpha Build. This Alpha version will show you what Facebook is preparing for you, take a sneak peak at the new features and User interface changes. Current Facebook stable version is 10.0 and Beta version is 11.0 and you can roll back to the official version or beta version at anytime via Play store.

Facebook version 12 packs many UI changes, lots of bug fixes and performance improvements. So you'll be running a version that is supposed to be released 3 months from Now.

After downloading the latest Alpha build, Facebook suggests turning on automatic updates as it plans on updating the app a few times a week. Doing so will ensure you're always running the latest version. The APK file provided below is the official APK from Facebook ALPHA program and hasn't been modified.

Download Facebook v12.0.0.0.12 [APk]