Idle Galaxy Miner: Strategy is a free Android game developed by Exystem. In this game, you build a space colony, extract resources, and produce building materials, fuel, and food. The game offers advanced 3D graphics, an idle and strategy game mode, easy and intuitive controls, and the ability to build up production chains and earn idle money/resources. You can also build ships and stations and improve your production through research. The game supports English and German languages, and the system requirements are a 1.5 GHz Dual Core Processor, 1024 MB RAM, and a powerful graphics chip like Adreno 330 or Mali-T628.

One thing to note about Idle Galaxy Miner: Strategy is that your progress is not saved to any cloud system. It's saved locally within the app. Overall, if you're a fan of space colony building games, Idle Galaxy Miner: Strategy is definitely worth checking out.