A mobile video game is a type of interactive entertainment designed specifically for smartphones, tablets, and other portable devices, leveraging touchscreens, sensors, and mobile operating systems to deliver accessible, on-the-go gameplay. These games have grown exponentially in popularity due to their convenience, diverse genres, and low barrier to entry, appealing to casual players, hardcore enthusiasts, and everyone in between. Mobile video games are characterized by their adaptability to the unique features of mobile devices. Touchscreen controls are the primary input method, with intuitive interfaces that use taps, swipes, pinches, and gestures to interact with the game world. For example, puzzle games might require dragging and dropping objects, while action games could use virtual joysticks (on-screen controls) for movement and taps for attacks. Many mobile games also utilize device sensors, such as accelerometers (to control movement by tilting the device in racing or balance games) and gyroscopes (for more precise motion control in augmented reality games). Cameras and microphones enable additional interactions, from taking photos to integrate into gameplay to using voice commands. Genres in mobile video games are diverse, catering to a wide range of preferences. Casual games—such as match-three puzzles (e.g., “Candy Crush Saga”), endless runners (e.g., “Subway Surfers”), and idle games (e.g., “Adventure Capitalist”)—dominate the space, offering short, repeatable gameplay sessions ideal for quick bursts of entertainment during commutes or breaks. These games often feature simple mechanics, colorful visuals, and gradual progression systems that keep players engaged without requiring long-term commitment. More complex genres, including role-playing games (RPGs), strategy games, and multiplayer online battle arenas (MOBAs), have also found success on mobile, with titles like “Genshin Impact” and “Mobile Legends: Bang Bang” offering deep gameplay, rich storytelling, and competitive multiplayer modes that rival console and PC experiences. These games often use virtual controls or support external controllers for more precise input, adapting traditional gameplay to the mobile format. Business models in mobile video games are varied, with many offering free-to-play access supported by in-app purchases. These purchases may include cosmetic items (skins, costumes), gameplay enhancements (power-ups, extra lives), or progression boosts (unlocking new levels or characters). Premium games require an upfront purchase but offer ad-free experiences with no additional costs, appealing to players who prefer a one-time investment. Subscription services, such as Apple Arcade and Google Play Pass, provide access to a library of games for a monthly fee, combining the convenience of free-to-play with the quality of premium titles. Social features are integral to many mobile video games, leveraging the connectivity of smartphones to enhance engagement. Players can connect with friends via social media, compare scores on leaderboards, send in-game gifts, or collaborate in multiplayer modes. Many games include social events or challenges that encourage community participation, with rewards for collective achievements. This social aspect turns mobile gaming into a shared experience, fostering communities around favorite titles. Technological advancements in mobile hardware—such as more powerful processors, better graphics, and 5G connectivity—have enabled mobile video games to match the quality of console and PC games in many ways. High-definition visuals, immersive audio, and complex game worlds are now possible on portable devices, expanding the types of experiences available to mobile players. Augmented reality (AR) mobile games, like “Pokémon Go,” use this technology to overlay digital content onto the real world, creating unique, location-based gameplay that blends virtual and physical environments. Whether played for a few minutes during a commute or hours at home, mobile video games offer a versatile, accessible form of entertainment that continues to evolve with advancements in mobile technology and player expectations.