# Slang Retail e-Commerce App We have built a sample e-commerce app for you to understand how the Slang In-App Voice Assistant works and feels from a consumer's perspective, as well as from a developer's perspective. This is a self-contained e-commerce app that its users can use to do the following - * Supports two categories of items - grocery and pharma * Supports search * Adding items to cart * Looking up orders and canceling them The app maintains everything locally. It has no back-end requirements. Information is persisted across sessions where required. * The Android APK is available [here](https://play.google.com/store/apps/details?id=in.slanglabs.vamo) * The source code is available here --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.conva.ai/slang/sample-apps/slang-retail-assistant-app.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.