Actually, Soap2Day app is available on iOS, Android and Windows devices only. However, if you want to watch the content that is available on Soap2Day, you can try screen mirroring or screen casting. If you are using Roku 7.7 operating system or later version, you can take advantage of screen mirroring feature. To check out the version of your Roku operating system turns on the Roku device and navigates to the settings. There, simply choose the System and select About option. From About section, all the details of your device will show you.