Many web databases are hidden behind form-based interfaces which are not always easy-to-use on mobile devices because of limitations such as small screen sizes, trickier text entry, etc. In this demonstration, we have developed MOBIES, a third-party system that generates mobile-user-friendly interfaces by exploiting data analytics specific to the hidden web databases. Our user studies show the effectiveness of MOBIES on improving user experience over a hidden web database. Categories and Subject Descriptors H.2.7 [Database Administration]; H.3.5 [Online Information Services]: Web-based services General Terms Design, Experimentation, Performance Keywords Mobile HCI, Hidden web database, Data analytics