How to install App or APK Files from “Unknown Sources” on Android

2600, 3DS, DC, GameCube
GBA, GBC, MD/Genesis
N64, NDS, NES/FC, PSX, PS2, PSP
Sega CD, Sega Saturn, SNES/SFC, Wii, WSC
New Games

After download the Game’s Apk File :

Step 1 : Click to Install,  You maybe found Install Blocked:

blocked

Step 2: Open “Settings”->”Security” , Open “Unknow resource” Option

allow unknow resource

Step 3: Click the Apk File to Install Again and succeed, Enjoy It.

click install again       install succeed