Google Play Install Referrer Test

Google Play Install Referrer Test can receive "com.android.vending.INSTALL_REFERRER" broadcast who send to it.
There are two ways to make "com.android.vending.INSTALL_REFERRER" broadcast happen.
method-1:
Download and install Google Play Install Referrer Test from Google Play in direct and start up it,you will receive the referrer(utm_source=google-play&utm_medium=organic).
method-2:
Enter the Google Play store by the link(http://play.google.com/store/apps/details?id=com.littlejami.referrer&referrer=REFERRER_STRING)and install Google Play Install Referrer Test, then start up it,you will receive the referrer(REFERRER_STRING) from Google Play.

method-3:
Install this app and Use adb to send an INSTALL_REFERRER intent to it:

$ :adb shell
$ :am broadcast -a com.android.vending.INSTALL_REFERRER -n com.littlejami.referrer/com.littlejami.referrer.ReferrerReceiver --es "referrer" "umt_source=channel1"

If you want to know an app install refferrer from Google Play,Google Play Install Referrer Test was a good choice.