E2 Streamer is a free streaming app for E2 set-top boxes that allows you to stream and transcode TV channels, recordings, and .ts-files. You can also stream all kinds of media files, such as mkv and avi, and download recordings and media files. The app supports channels with alternative services and allows you to stream your (DVB-)Radio channels without transcoding. You can even play your IPTV- and Internetradio-channels.

E2 Streamer also has a feature that allows you to play on Roku, though this may not work with every channel or file, depending on the format. Additionally, you can long-click on a channel to zap and change the audio track used for transcoding. The app also has a feature that shows EPG and allows you to add or delete timers.

To use E2 Streamer, you will need a media player app such as Kodi, MX Player, or VLC. Overall, E2 Streamer is a great app for streaming and transcoding media files to your Android device, and it's completely free to use.