For full changes check this:
https://github.com/fgl27/SmartTwitchTV/blob/master/apk/Changelog.md
If you want to use this on a TV device, it is recommended to only use the version from play, as this release is the same app and in play you have the auto-update featuring.
If you already have the play version installed it will be necessary to uninstall that first before using the below.
If you want to use this APK on a phone or tablet you must use the APK from this release as this app is only available on Play for TVs.
For the best performance, it is recommended to have installed on your device the latest version of "The Android System WebView app" and install it from Play using the below link:
https://play.google.com/store/apps/details?id=com.google.android.webview