This Is Simple and Easy Way To Set Multiple Ringtones Every Time You Get On A Call.
Now Install Rand Tune App In Play Store.
Then Simply Follow This Steps..
Open Rand Tune App, Select Play List
Now Click On " + " Button Type Play List Name And " ok "
Again Click "+" Button And Select "Add Folder " ... Now Choose SD Card Ring Tones Folder .
This Is Final Step-- Select Play List And Press "On " Button On Calls.
Now Select Bellow Drop Down Play List .
Now Call You Mobile 2 Or 3 Times Check It's Working Or Not.....