On December 12, 2019, XD Inc., referred to as the "first stock of the domestic game community" (02400.HK), officially went public on the Hong Kong Stock Exchange. On its first day of trading, its stock price surged by over 6.8%, closing at 11.86 Hong Kong dollars, resulting in a market capitalization of 5.03 billion Hong Kong dollars. The IPO raised over 700 million Hong Kong dollars, which was primarily intended for game and game-related technology development, the development of TapTap, expansion of game distribution and operations, as well as selective strategic investments and acquisitions.

IGG made a strategic investment in XD Inc. at the end of 2018 and held a 6.84% stake after the investment. IGG and Tap Tap officially initiated their strategic partnership in 2020. Both parties aimed to explore more possibilities for cooperation between high-quality games and top-tier platforms, striving for a synergistic effect where 1+1 > 2 in the domestic Android gaming platform market.