Sure, you could make the app use just public API methods without any use of a access token or user context.
However, we’d strongly encourage you to still follow our Display Guidelines and additionally offer at least links to Twitter Web Intents for common actions that should accompany a tweet like reply, retweet, and favorite. By including the links, you give the user the option to do with the tweets as they see fit, even if your application doesn’t support authentication.
