GCodeSimulator visualizes 3D printing gcodes and simulates the 3D print. It shows how your print will look like, allowing you to check your print upfront, making it easier to spot errors and fix them instead of wasting filament. In addition, GCodeSimulator can connect to many 3D printers using USB-OTG cable (or Bluetooth) to control the printer.
GCodeSimulator has been scanned for viruses and it has been found totally secure. MDCode is the official developer of this application which can be found in the Tools category. On Google Play, the app is rated 3.4 by its users.