The company on Thursday unveils a new "humanoid" robot named Pepper that can not only communicate with the user, but also read his or her emotions.
The Internet is run by a cable monopoly in Comcast and a wireless duopoly in Verizon and AT&T, Son says. He wants to shake things up.
Yahoo Japan, partly owned by SoftBank and Yahoo, plans to use the acquisition to launch its own mobile Internet service.
Masayoshi Son, who'll be pitching US policymakers Tuesday to consider a stronger wireless industry to vie with broadband, might need T-Mobile to achieve his ultimate goals.
SoftBank CEO Masayoshi Son will reportedly argue that having a strong third mobile carrier will help even the playing field for in-home broadband.
The comment comes as rumors suggest his subsidiary Sprint is eyeing a possible T-Mobile buyout.
Supercell is a hot commodity in mobile gaming: its Clash of Clans and Hay Day have both hit the top in the Apple App Store's Top Grossing ranking for games.
Japan's SoftBank is a step closer to acquiring the third largest wireless operator in the U.S., as 98 percent of Sprint shareholders OK the merger.
Although there is just a couple of weeks before shareholders vote on SoftBank's bid to acquire Sprint, Dish reportedly is still scrambling to change the fate of the deal.
Institutional Shareholder Services -- a consultant to mutual funds and other large investors -- says the deal would give Sprint the money it needs to buy spectrum. It remains mum on Dish Network's rival, preliminary offer.