SAN FRANCISCO (CBS SF) – A new smartphone app should make it easier to locate one of San Francisco’s most celebrated street food venders – The Tamale Lady.

The Tamale Lady, whose real name is Virgina Ramos, roams around the Mission District selling meat and vegetarian tamales in bars and on city streets for $4. She is known to frequent the bar Zeitgeist, but can be difficult to track down when roaming in the evenings.

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According to the blog Mission Loc@l, developer Win Raguini came up with the idea after hanging out in the Mission District a few weeks ago but being unable to find her. According to the story, he built the app in a single day.

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In order for the system to work, people must use the Twitter account @tamaleladyshere to check her in. That location will then appear on a map for others in the area hoping to track her down.

The app is coming soon, and will be free to download.

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