The Oz.Lotterywest app allows Western Australians to play Lotto anytime, anywhere. The Oz.Lotterywest App offers you a convenient way to check results and purchase tickets. The App is free to download and it can be used to view upcoming draws and check results. If you are from WA and have an existing Oz Lotteries account, simply sign in with your existing Oz Lotteries account details. If you’re not yet a member, create an Oz.Lotterywest account in a few easy steps.