Remember Samsung's Smart View app? It's OK if you don't - it's basically a mix of a remote control and some Chromecast-style functionality, exclusively for use with both Samsung phones/tablets and Samsung smart televisions. It's the kind of cross-platform"synergy" that gets a lot of play in press releases and on-stage product reveals, but is rarely used by actual customers. The app listing in the Play Store is plagued with negative reviews complaining of frequent bugs and infrequent updates.

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