Gappy?is?a?smart?phone-based?audio?guide,?a?universal?source?of?information?for?tourists?and?city?lovers.?It?leads?users?along?routes?and?provides?location?dependent?information?on?points?of?interest?by?means?of?multiple?media?channels.This?app?is?in?beta?stage,?that?is,?it?is?in?an?early?stage?of?development,?which?may?still?have?errors.

提升体验，修复部分问题。