Battlecruisers is excellent. It's primarily single player with a pvp arena and the story is a bit short but it's a very enjoyable few hours.

https://play.google.com/store/apps/details?id=com.Bluebottle.Battlecruisers

In the same vein but a bit longer gameplay is Interstellar Pilot.

https://play.google.com/store/apps/details?id=com.pixelfactor.interstellarpilot

And Interstellar Pilot 2

https://play.google.com/store/apps/details?id=com.pixelfactor.interstellarpilot2