Google just released the first developer preview of Android P and it brings tons of new features and improvement that are really awesome. But these first developer preview built is available for only pixel line-up. There are most of the android devices right now in the world which will never get Android P. But if you want to get cool Android Features on your device. Here's how you can do it.
Get Android P Features on Any Android Device:
1. Android P Launcher:
First, you need to do is download the Pixel Launcher from this XDA link and install it on your phone.
2. Android P notification panel and settings:
You will need to install a theme engine called Substratum. After download and install Substratum, you will also need to download and install the Flux White Substratum Theme.
After download and install both the there are three methods to install Android P notification panel and settings.
The first method is for those who have Android oreo on their devices, just launch the Substratum app and it will automatically load the Flux theme. Tab on theme name select your android version and enable toggle which is next to it. Then tab on floating substratum button and tab on the build and enable button. It takes some time after that your device's notification panel and settings look like Android P's settings.
The methods are for those who did not have Android O on their devices. They need to root their device and install Substratum on their device.
3. Volume slider like Android P:
To get volume slider on your device you need to download volume slider APK file from XDA. After download and install volume slider. Open the app and give its necessary permissions and done. You will get the Android P notification slider on your device.