# Arcade NFT's The Androids are unique ERC-721 tokens that function as a form of proof for playing Defimon Arcade. They each have their own class and collection, which can be improved by leveling up over time through gameplay in the arcade - this means every Android is also working towards becoming more powerful via gaming! --- # 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://defimon-official.gitbook.io/defimon-arcade/defimon-arcade-platform/arcade-nfts.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.