why android application could not be installed on HTC Tattoo?

Question

Hi I am newly started work on android. But when I tried to install my application on Android Tattoo it shows error

application could not be installed on

Answer 1

HTC Tattoo comes with Android 1.6 by default. So, I think that you are trying to install an app with a newer Android version. Also, make sure to enable the "Install from unknown sources" option in the Settings.