It is an interesting time for the handheld market. a***ysts estimate the U.S. portable gaming console market is expected to reach $7.69 billion by 2032 at a compound annual growth rate of 8.75%, and the sales numbers speak for themselves. Valve’s wild-card entry into the space, the Steam Deck, sold nearly 4 million units since its release, outselling all other handheld PC gaming consoles.