The best Chromecast ready apps to smarten up your old TV
Dayframe (Chromecast Photos)
Make the most of your photography, stream photos from your Android devise on to your TV with Dayframe. The app allows any android devise to become a streaming digital photo frame but with the addition of Chromecast your TV can do the same job.
Make your TV super smart with the 5by Android app. It will track your viewing history and provide you with content it knows you will enjoy. No more flicking through endless channels, let 5by do the hard work for you.
Enjoy your videos in multiple formats with the MX Player, it is the first Android to perform multi-core decoding. Includes features to zoom and navigate through the content easily. Child lock is also an option.
MP3 Video Converter
For music lovers; convert your video files to MP3 audio. The app supports various video formats including 3GP and MP4 and various audio formats including MP3 and ACC, additionally you can edit the meta data.