股票王期指王-力道K線主力曲線 is an Android app designed to help investors understand the current bullish or bearish direction of stocks. It claims to be the latest and most effective trading method in the last five years, using 28 technical analysis tools, basic analysis models, commodity price volatility characteristics, and cycles and other logical thinking information.

The app provides a simple and clear understanding of the bullish and bearish trends with the help of multi-power K-lines (red representing bullish trends, green representing bearish trends). The app can help investors avoid operating against the trend, thereby earning profits. The app claims to have helped users earn 1.4 million in two months and also teaches them how to earn 40,000 with just 1000 yuan in a day.