Be patient, follow the Winlator guide, and soon you will be sneaking through the forests of IGI on your Samsung or Xiaomi phone. Just remember to save your game often – because unlike modern shooters, IGI has no checkpoints and one bullet can end your mission.
You may find websites offering a "Project IGI APK" that claims to be the full game. These are almost always: project igi 1 game download for android mobile
If you want that tactical, stealth-based FPS experience on Android without all the hassle, these games are officially available on the Play Store and capture the IGI spirit: Be patient, follow the Winlator guide, and soon