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Showly
(f-droid.org)
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
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I don't understand why people use trakt. I'd recommend Showcase which uses the TMDb API.
Do any of these services make recommendations for what you can watch next? The way Last.fm shows what other similar people like.....it would be good to have something like that for TV and movies tailored to my tastes.
Showcase has recommendations