default activity not launched

[chaudharisuresh997]

$ adb push D:\PR\androidprj\rss2\AndroidRssReader-master\AndroidRssReader-master\build\AndroidRssReader-master.apk /data/local/tmp/com.nerdability.android
$ adb shell pm install -r "/data/local/tmp/com.nerdability.android"
pkg: /data/local/tmp/com.nerdability.android
Success

Could not identify launch activity: Default Activity not found
Error while Launching activity