SAN FRANCISCO -- Innovative mobile apps married to increasingly powerful artificial intelligence (A.I.) are rapidly getting smarter -- making them even more helpful for users.

These kinds of apps, showcased at VentureBeat's two-day MobileBeat conference here this week, are designed to anticipate user needs. Who knew, for example, that you can use your smartphone to simplify the process of getting a green card to enter the United States or to streamline corporate travel?

During a "Startup Showcase" session, Visabot showcased its appropriately-named Green Card app. The program is based on a bot that walks users through a series of simple questions that, when answered, generates a package of documents you can file with U.S. Citizenship and Immigration Services to complete the application process.

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