MaxsTechReview
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- #166: export the fake-input ring paths with the spelling the session tree is bound under (Context.getFilesDir(), /data/user/0/...) instead of the canonical path. Where /data/user/0 resolves to /data/data (ColorOS 16) the guest has nothing bound at the canonical prefix, so libfakeinput could not open the rings and every pad, physical and on-screen, was dead. The ring path logic moves to FakeInputRingPaths so it can be unit-tested without the native library. - #219: play a game's rumble on the physical controller that last drove the pad, when Android exposes its motors (strong and weak separately on Android 12+), and fall back to the device's vibrator for the on-screen pad or a controller without rumble. PadBridge records the active controller; the on-screen pad taking over moves rumble back to the phone. - #153: when a program takes a pointer lock (a mouse-look game through gamescope), capture a physical mouse and send its raw deltas as relative motion, so the camera no longer stops where Android's pointer meets the screen edge. Capture is released for the drawer, the PC keyboard, picture in picture, focus loss and pause, and when the lock ends.
DroidDeck brings the SteamOS experience to Android: Valve's Steam client in Big Picture on your Adreno handheld, with Windows games through Valve's ARM64 Proton.
Note: DroidDeck does not have a stand-alone website. Do not click on any download links from websites claiming to be the DroidDeck team.
Requirements and install
Use Android 9 or newer on a supported Adreno device (730 or newer, or 8xx). Mali, Xclipse, PowerVR, and Adreno 710 are unsupported. No root is required. Allow about 3 GB for the runtime and 1.1 GB more for the desktop and emulators. Install the APK from Releases, install the Linux runtime, then press Play and sign in. Steam downloads on first launch. Install Desktop & apps to use the desktop and emulators. The Store installs Linux apps and games from Flathub (ARM64 builds) with Flatpak; with additional options to install Appimages and set up scripts.
Before Steam launches, you must turn off Restrict child processes in Developer options. If this option is not available in developer settings (Android 12 and 13 devices), first launch of Steam will present a "Fix it for me" button, which will help automate the setup process.
Community
Join the DroidDeck Discord for help, Preview builds, and device reports. Bug reports go in its #bug-reports forum; attach the session folder from Download/DroidDeck/ so the logs come with it.
Build
Run tools/build_local.sh with Docker, Java 17, the Android SDK/NDK, and zstd installed. It builds the ARM64 audio sinks from PulseAudio 13.0 and packages them into the APK at app/build/outputs/apk/release/app-release.apk. Set DROIDDECK_PA13_SOURCE_DIR to an existing PulseAudio 13.0 source directory to skip downloading it. To install the APK on an attached device, run tools/deploy_local.sh.
Limits
Compatibility and performance vary by device; hardware validation is limited. Desktop compositing uses software rendering. Firefox sandboxing is reduced under proot. See the session logs in Download/DroidDeck/ when diagnosing problems.
Credits and licence
GPL-3.0. Runtime, shim, input, and controller work build on WinNative and Bannerlator (maxjivi05). LSFG frame generation is from the work of Camille LaVey and the Eden emulator project, following lsfg-vk, ported to WinNative and DroidDeck by @maxjivi05; it needs your own copy of Lossless Scaling and ships none of its shaders. x86 AppImages, and any whose own runtime cannot unpack them, are unpacked with uruntime by VHSgunzo (MIT), shipped unmodified with its licence. See LICENSE. Steam and Proton belong to Valve Corporation; this project is not affiliated with Valve.