I get 1000+ a day. Some times I have to reset my AD ID to achieve this.
Can you explain a bit more? You actually stay on your device to hit the button 500 times?!?! And what do you mean by reset your AD ID?
reset your Ad ID.
Open the Settings app.Tap Privacy.Scroll down to the bottom of the page and tap Advertising.Be sure that Limit Ad Tracking is set to Off.Tap Reset Advertising Identifier..When prompted, tap Reset Advertising Identifier.
Step 1: Open Google Settings on your Android device by tapping on menu and then on Google Settings once all apps are displayed on the screen.
Step 2: Locate and tap on the Ads menu under Services.
Step 3: Tap on "reset advertising ID" on the new page. ...
Step 4: Confirm the reset when the confirmation prompt is displayed.