Online casinos offer apps that are compatible with most smartphones as well as tablets. Players with iPad or iPhone need a device with software of version 9 or higher. When you have an Android including phones like Motorola, Nexus, Fire, Huawei, Samsung and more you need software v5 or higher to play mobile slots for real money. While you will be able to access most apps via Blackberry as well as Windows too you also need software of v4 or higher that are compatible with downloadable apps.