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SPECIFICTION
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Handheld Companion

handheldcompanion.net

Free plan Windows
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Spec score 7.5 #19 of 31 in PC Overclocking Software

What it is

Handheld Companion is a free, open-source Windows app for handheld gaming PCs, with touch-optimized controls and device settings. It maps controller inputs to keyboard, mouse, joystick, trigger, or virtual controller actions, including Xbox 360 and DualShock 4 output. Universal Motion Control translates supported motion sensor data for aiming, camera control, racing, and emulators. QuickTools adjusts TDP, frame limits, refresh rate, resolution, brightness, volume, and power mode. The app can detect the active game and apply saved controller, motion, graphics, and power preferences automatically. Listed device families include ROG Ally, Steam Deck, Legion Go, MSI Claw, AYANEO, and GPD Win. Steam Deck support applies to Windows 10 or 11 installations; this is not a SteamOS application. The free public release costs nothing for Windows 10/11 on x86 and x64. Installation requires administrator rights to deploy services and drivers.

Spec sheet

Purpose
Handheld Companion is an open-source, touch-optimized Windows app for handheld gaming PCs.Read 8 Oct 2026 · handheldcompanion.net
Support
The documentation page links to community support on Discord and bug reporting on GitHub.Read 8 Oct 2026 · handheldcompanion.net
Compatibility caveat
Device behavior can vary with Windows builds, OEM firmware, and other controller software.Read 8 Oct 2026 · handheldcompanion.net
Game profiles
The app can detect the active game and automatically apply its controller, motion, graphics, and power preferences.Read 8 Oct 2026 · handheldcompanion.net
Input mapping
It maps controller inputs to keyboard, mouse, joystick, trigger, or virtual controller actions.Read 8 Oct 2026 · handheldcompanion.net
Installation
The documentation says to run the installer as administrator so it can deploy services and drivers needed for controller handling.Read 8 Oct 2026 · handheldcompanion.net
Motion controls
Universal Motion Control translates supported motion sensor data into input for aiming, camera control, racing, and emulators.Read 8 Oct 2026 · handheldcompanion.net
Performance controls
QuickTools can adjust TDP, frame limits, refresh rate, resolution, brightness, volume, and power mode.Read 8 Oct 2026 · handheldcompanion.net
Project maker
The site says Handheld Companion is created by Valkirie and contributors.Read 8 Oct 2026 · handheldcompanion.net
Steam Deck limit
Steam Deck support is for devices running Windows 10 or Windows 11; Handheld Companion is not a SteamOS application.Read 8 Oct 2026 · handheldcompanion.net
Supported devices
The site lists Windows handheld families including ROG Ally, Steam Deck, Legion Go, MSI Claw, AYANEO, GPD Win, and others.Read 8 Oct 2026 · handheldcompanion.net
Virtual controllers
It can present Xbox 360 or DualShock 4 virtual controller output to games.Read 8 Oct 2026 · handheldcompanion.net

Plans and prices

Free public release Free Windows 10/11 · x86 & x64 Read 8 Oct 2026 · handheldcompanion.net

Every Handheld Companion plan and price →

Strong points and limits

Strong points

  • Open-source Windows application
  • Virtual Xbox 360 and DualShock 4 output
  • Motion control support
  • Automatic per-game profiles
  • Broad multi-vendor handheld coverage

Limits

  • Not a SteamOS application
  • Windows 10/11 required
  • Installer must run as administrator
  • Device behavior varies by firmware and software

Who it suits

This suits owners of Windows-based handheld gaming PCs who want input remapping, motion controls, and quick performance settings. It is relevant to users managing multiple games or device families.

Verdict

Handheld Companion brings controller, motion, graphics, and power controls into one Windows handheld utility. Check your Windows build, firmware, and other controller software for compatibility.

Where Specifiction places it

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