Valve's SteamOS port for the Arm (ARM64) architecture has inspired creativity in the modding community, as they are now actively transforming their Android-based gaming handhelds into miniature versions of the Steam Deck console. As mobile SoCs like Qualcomm's Snapdragon and MediaTek's Dimensity become increasingly competitive in terms of integrated GPU and CPU capabilities, running a true desktop OS on these SoCs is unlocking new gaming experiences, as demonstrated by the modding community. For devices from makers like Ayaneo, Ayn, Retroid, and Konkr, community projects like Armada enable Arm-based devices that previously ran Android to utilize SteamOS.

This development is made possible by earlier changes Valve introduced specifically for its Steam Frame VR headset. Since the Steam Frame runs on Qualcomm's Snapdragon 8 Gen 3 mobile platform, Valve ported its compatibility layer, Proton 11.0, to Arm. This version of Proton unlocked a full range of games designed for x86 on Arm hardware. While it was initially intended to be exclusive to the Steam Frame, it now also enables compatibility with other Arm devices, such as powerful Android gaming handhelds, even though the Frame itself runs a modified version of the Linux-based SteamOS.

Nonetheless, this change is a significant stepping stone for anyone wanting to play games beyond traditional Android-only titles, as mobile hardware has been capable of running powerful configurations for some time now. While Valve is not officially promoting this feature, the vast community of open-source enthusiasts is always looking for ways to enhance compatibility. Certainly, Valve isn't going to address all issues that may arise from running such configurations, but the possibility is there, the community is large, and modern AI tools could provide some quick patches if issues arise.