Installing Android Applications on your Mobile

In order to install android application on your device there are 2 Ways.
-> Directly from Android Market Place
-> Manually if We have .apk file
Directly form Android Market Place:
Go to below link (Link to Android Market place). There you find lot of categorized  applications. From that you will directly found install option.
https://market.android.com/
Manually if we have apk file:
-> Copy the apk file into SDCARD
->Install third party applications like Astro File Manager, Application Installer if you mobile do not contain any default Application Installer.
https://market.android.com/details?id=com.metago.astro&feature=search_result  (Link to Astro File Manager)
->After installing the app open the app.
->It list all the apps in the sdcard.
->Click on the that u want to install.
->There you found install button.
That's it.