OK Play - From the Oklahoma Lottery. Download the official Oklahoma Lottery app to get the latest winning numbers and jackpot information for Powerball®, Mega Millions®, Lotto America®, Lucky For Life®, Cash 5® and Pick 3®; as well as viewing past winning numbers. You can check your numbers instantly after the drawing.

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.