just seeing that I can still run the app

http://stackoverflow.com/questions/9795963/error-generating-final-archive-debug-certificate-expired-on

[2013-12-15 15:25:22 - OpenGLES20Complete] Re-installation failed due to
different application signatures.
[2013-12-15 15:25:22 - OpenGLES20Complete] You must perform a full
uninstall of the application. WARNING: This will remove the application
data!
[2013-12-15 15:25:22 - OpenGLES20Complete] Please execute 'adb uninstall
com.example.android.opengl' in a shell.
[2013-12-15 15:25:22 - OpenGLES20Complete] Launch canceled!