Physix Frontier · News Briefing Card (IT Home · Sep 12, 2026)

Tencent Video on HarmonyOS Debuts On-Device A2A Agents

KEY FACTS

The HarmonyOS version of Tencent Video has become the first to integrate the openJiuwen A2A protocol, enabling direct interaction between the system's Xiaoyi assistant and in-app AI agents.
Users can query plot details, character information, and background context via Xiaoyi without leaving the playback interface.
Leveraging OnApp Chips foreground perception technology, Xiaoyi automatically identifies the current scene and recommends trending episodes or variety shows.
The A2A architecture ensures data flows locally within the device, reducing cloud transmission to lower privacy risks and improve response speeds.

PHYSIX OBSERVATION

This marks a critical step in HarmonyOS's transition from 'app silos' to a 'system-level intelligence hub.' On-device A2A not only resolves the fragmented user experience caused by isolated cross-app services but also rebalances privacy and efficiency through localized data processing. For developers, standardized interfaces significantly reduce adaptation costs, signaling that future mobile OSes will truly possess the capability to uniformly orchestrate third-party agents rather than merely serving as launchers.

Source: IT Home report