[2014-08-27 12:30:53 - TechListChooserActivity] Installation error: INSTALL_FAILED_VERSION_DOWNGRADE[2014-08-27 12:30:53 - TechListChooserActivity] Please check logcat output for more details.[2014-08-27 12:30:53 - TechListChooserActivity] Launch canceled! t means you're trying to install an app with the same packageName as an app that's already installed on the emulator, but the one you're tryi..