INSTALL_FAILED_INVALID_INSTALL_LOCATION Package couldn’t be installed in /data/app/com.xxx.xxx Cannot install platform packages to user storage
是由于使用了系统签名或者platform权限的keystore。改为普通的签名文件就行了。
http://blog.csdn.net/yuan1590/article/details/7208961
https://github.com/microg/android_packages_apps_FakeStore/issues/9