1) Enable Developer Mode in Phone
Navigate to Settings > About phone and tap on your phone’s build
number seven times. Now you see this message on your screen,”
Congratulations, you are now a developer”.
Any you successfully unlocked Developer options in your android mobile.

Developer Option in Android Mobile
Speed up your android phone from changing “Window animation scale”, “Transition animation scale” and “Animator duration scale” from 1x to 0.5x.
Go to Settings > Developer options and search for Window Animation Scale.(Make sure you enabled Developer options for this settings.)

Change Animation Scale
3) Quickly Change Your WiFi Network

Quickly Change Your WiFi Network
Do you keep getting an annoying app notification on your android phone, but you’re not sure or don’t know which app is causing it?
There is an easy and fast solution for locating annoying notifications app in your phone — just long-press on the notification in question, and your device will tell you app name.

Stop Annoying Notification in Android

Launch Google Now Search Voice from Lockscreen

Do not Disturb in Android
7) Screen Pinning
Scree pinning is a very useful feature for those who don’t wanna risk with mobile privacy. If your friend uses your mobile then pinning your app is very important. If you have a child who uses your phone, then this feature is also very important for you.
Enable Screen Pinning feature on your phone from Settings > Security and scrolling down to Screen pinning.
For Pinning an app, open recent app and tap on pin icon.
You only pin last used app in your phone.

Screen Pinning in Android
8) Hidden File Manager
Go to Settings > Storage & USB < Explore and use hidden file explorer on your phone.

Hidden File Explorer in Android
Google Now on Tap is one of the most amazing features on marshmallow android phone.It brings Google Now functionality to every part of your phone or tablet. You can launch Google Now on tap from long press home button.
Make sure you enabled Google Now on Tap settings from Google App.

Google Now on Tap
Go to Settings > About phone and tap the device’s version number several times.
Continue to rapidly tap the center of it and the game will launch in your phone.

Android Secret Game in Marshmallow
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