What Yuanbao’s HarmonyOS App Offers: Hy4 Expert Mode and Five Productivity Tools

Tencent’s Yuanbao AI assistant arrived in the HarmonyOS app market on September 25, 2026, as a native app. The launch brought together Hunyuan Hy4 preview, a switchable Expert mode, and practical tools for document work, image questions, voice conversations, writing, and search. 1820

What Hy4 preview and Expert mode add

The HarmonyOS version launched with Tencent’s Hunyuan Hy4 preview model. Tencent describes Hy4 as designed for productivity tasks spanning office work, coding, and research; launch coverage says Expert mode is intended to provide deeper, more structured responses for complex questions, rather than only brief answers. 141820

That makes Expert mode the option to try for a task that calls for working through a complex question or organizing information. The sources describe the intended use, not independent tests of the app’s answer quality.

Yuanbao’s day-one productivity features

The app’s launch features combine several common workflows in one assistant: 1820

• Read and query documents: It supports 36 file types, including PDF and Word documents, and can summarize them and respond to follow-up questions about details. 1820
• Ask about images: Users can identify or search for information from a photo, and use the camera for translation. 1820
• Talk by voice: Voice conversation offers another way to ask questions when typing is inconvenient. 1820
• Draft text: Brief keywords can be turned into structured emails, summaries, proposals, or social-media copy. 1820
• Search beyond the open web: Yuanbao can draw on public web pages as well as WeChat Official Account articles and Video Account content when answering. 1820

Why Hy Image 3.5 is a supporting feature

The HarmonyOS app also includes Hy Image 3.5 preview, Tencent’s image-generation model. But the bigger September 25 news was the launch of the Yuanbao assistant on HarmonyOS, with its model and productivity features—not a new image-model release. Tencent had announced Hy Image 3.5 preview on September 22, before its inclusion in the HarmonyOS app was reported. 12023

Together, the launch positions Yuanbao as a HarmonyOS assistant for mixed tasks: reading files, asking questions about images, drafting text, and searching Tencent’s content ecosystem alongside the public web. 1820