You cannot download an "FSX.apk" from an official store, but you can play the latest version of the franchise using cloud technology.
: Tools like the MSFS Mobile Companion App allow you to use your Android device as a touch-screen instrument panel for the PC version of the game. Top Mobile Alternatives Microsoft Flight Simulator X For Android
: Widely considered the gold standard for mobile simming, offering global scenery and live air traffic control. You cannot download an "FSX
: Known for stunning 3D graphics and highly detailed cockpits that rival desktop visuals. Microsoft Flight Simulator X For Android