There is no official "Windows 3.1 APK" from Microsoft. However, what people usually refer to are that can run Windows 3.1 on Android. For example:

Run early versions of Microsoft Word, Excel, or classic paint programs to experience how digital productivity felt decades ago.

Execute the driver setup within the DOS environment before launching Windows, or add it via the "Drivers" control panel applet inside the Windows GUI. Creating an Auto-Boot Script

Some users remember the simplicity of Win16 applications—old word processors (WordStar, Ami Pro), spreadsheets (Lotus 1-2-3), or creative tools (Adobe Photoshop 2.5). They want to revisit that friction-less, offline workflow on a modern tablet.

: If installing on Android, ensure you have enabled "Install from Unknown Sources" in your device's security settings.

AnDOSBox is a simpler, more straightforward port of the classic desktop DOSBox emulator.

| Emulator | Type | License | Key Features | |---|---|---|---| | | DOS Emulator | Paid | Optimized for Intel, ARM, and MIPS; Voodoo 3dfx Glide Support; PCI Bus Emulation; full analog controller support; network gaming support (IPX) | | Limbo PC Emulator | x86 Emulator | Free | Supports various x86 operating systems; requires manual configuration for Windows 3.1 | | aDosBox | DOS Emulator | Free | Simple DOSBox port; basic Windows 3.1 support; lightweight | | ExaGear | Compatibility Layer | Paid | Quick and smooth Windows apps/games on ARM Android; extensive control options | | Winlator | Compatibility Layer | Open Source | Modern Windows compatibility layer; supports both x86 and x86_64 |

: Apps like Magic DOSBox or AnDOSBox recreate the MS-DOS environment required to boot Windows 3.1.