In some cases you might want to install an Android app that is not available in the Android Market. This brief tutorial will show you how.
Enabling unknown sources
The first step is to enable the installation of non-Market apps from your Android device. Simply go to Settings > Applications and enable Unknown sources if not already enabled.
Once this option is enabled, the installation procedure varies depending from where you download the app.
From Browser
The simplest way to install the app is to download it from your Android device. This requires the app to be available online. If you have copy of the app in your computer, read the next section instead.
1. Open the url of the app in the Browser. The app will start downloading automatically.
2. After the download has finished, tap on the app to begin the installation.
3. Tap Install
From SD card
Follow this procedure if you have a copy of the APK file in your computer.
1. Install AppsInstaller from the Android Market
2. Connect the device to your computer and mount it
3. Copy the APK file of the app you want to install to the root directory of the memory card of the Android device
4. Open Apps Installer. It will scan for APK files in your memory card and show you a list.
5. Tap on the app you want to install
6. Tap Install
You might delete the APK file from the root of the memory card after installing it.