Update: Google presented AppFunctions, Android's function-calling layer, as beta during Android Dev Summit 2026. In practice, an Android app can expose its own functions — such as creating a note, searching for a photo or logging an expense — so an AI agent can run them directly, without opening the app's screens.
The mechanism behind the announcement is Android MCP: the app acts as a local Model Context Protocol (MCP) server, the open protocol used by agents such as Gemini, ChatGPT and Claude to access a service's data and actions. The operating system works as a registry of available functions, and the agent picks a function from the description written by the developer.
The distinction between announcement and stability matters: the “beta” label appeared in the Android Dev Summit presentation and in an October 31, 2026 post from Google for Developers India on X, classified here as a STATEMENT. The AppFunctions Jetpack library remains in alpha in part of the documentation, and Gemini integration remains in private preview, with Early Access sign-up offering no guarantee of access.
The advance connects to the Connected Apps Platform, launched in preview on October 28, 2026 and already covered by Geekiki. According to Google's official blog, the platform gives developers a single place to register, test and submit apps for Search and the Gemini app, integrating through a cloud-hosted MCP server or Android MCP with the AppFunctions APIs. Google says it already has more than 50 Connected Apps across Search and Gemini, with partners such as Adobe, Experian, Localiza and Peloton live in Gemini and coming to Search in the following weeks.
For developers, the practical message is direct: prepare functions with clear descriptions, because that is what the agent uses to decide what to call — but do not treat the beta as a final API. Poorly described functions, overly broad permissions or flows that depend on screens can break the experience when the agent takes over the task.
Previous Geekiki article: https://geekiki.com/blog/google-connected-apps-platform-previa-search-gemini
Sources: Google Blog — Connected Apps Platform; FoneArena — Android Dev Summit 2026; Search Engine Journal — Connected Apps preview; Pasquale Pillitteri — Android MCP em beta.
Image credit: Google Blog, official Connected Apps Platform announcement material.
Transparency: this article was produced with the assistance of artificial intelligence, cross-checking public posts on X and internet sources. Check the original sources to confirm details before making development decisions.
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