how to install your favorite downloaded apps on your android using the USB connection and ASTRO File Manager.
FIRST STEP Goto ASTRO File Manager
Astor File Manager it’s like Windows Explorer or Mac’s Finder for your phone or tablet and allows you to easily browse and organize all of your pictures, music, videos and documents. It also gives you the ability to stop processes that burn battery life and backup your apps in case you lose or change phones.
goto sdcard choose your favorited application file apk and clikc install
so easy

