This Chinese edition application, “Oracle of Wong Tai Sin” (黃大仙靈簽) is an interactive Chinese fortune stick (aka Kau Cim) application. This is based on the fortune telling practice that originated in China where the querent requests answers to a specific question from a sacred oracle lot. This practice has been in China for centuries.
Oracle of Wong Tai Sin has 100 fortune sticks. It is one of the most popular fortune telling sticks in Asia. A version of fortune sticks has been sold in USA since 1915 under the name “Chi Chi Sticks”. This is similar to omikuji in Japan and in Vietnam; it is called “Cau Xam”.