As a star product that participated in the Macau G2E International Gaming Exhibition in 2019, the appearance of HX Dragon 2.0 enriched the product lifeline and demonstrated the company's R&D strength to high prices in multiple dimensions. On the basis of using the dedicated IC board (HX13A board), Android 3288 extension board and extension IO expansion board, we have optimized and upgraded the existing problems, with better encryption, better stability, extremely low mechanical failure rate, and profitability. more secure.