Apps are packaged with the .apk file extension so that the OS knows to install the file when it's invoked (much like .exe files on Windows machines).
REMEMBER: 50MB is the maximum APK file size allowed on the Android Market.
There are several ways to transfer an .apk (Android Package) file on your PC to the device.
From a PC/Mac, email the apk file to your gmail account, then retrieve it on your Adroid device using the Android native Gmail app, which recognizes apk files and provides an Install button.
The message "For security, your tablet is set to block installation of applications not obtained from Android Market." can be resolved by clicking Settings > Unknown sources. Confirm OK to the message "Your tablet and personal data are more vulnerable to attack by applications from unknown sources. You agree that you are solely responsible for any damage to your tablet or loss of data that may result from using these applications."
If you want friends to remotely install your homebrew apk, generate a temporary
QR code
to specify a temporary location to download the file from
WEBSITE:
http://www.apkinstall.com/.
Click "Browse" to specify the location of your .apk file.
The website generates a QR code, valid for 15 minutes.
Droidbin.com is an alternative.
Upload app apk files to Storage or Public folders on an internet data cloud at
WEBSITE:
DropBox.com.
Register for disk space and install their client on your PC which creates an Dropbox icon on your desktop
into which you drop .apk files dragged from Windows Explorer.
Then on your Android device install
To deploy an apk file from your PC to the Android device via a USB cable:
If you have the SDK installed:
Replace C:\Installers with where you store the apk file.
Replace Sipdroid-2.3.apk with the apk file you want to install.
The expected valid response from the command above is the number of bytes and the time measured: