On Thursday, Nintendo has officially launched a closed beta for the highly-anticipated Mario Kart Tour game headed for Android and iOS. At the same time, Nintendo has also reaffirmed a time frame for the game's release. When Nintendo first announced the mobile game, it first set a launch date for Mario 2019. Later in January, while Nintendo announced a new Dr Mario mobile game, it announced that it would delay Mario Kart Tour's launch to this summer. Currently, only Android users in the US and Japan are eligible to register for the closed beta. In order to register, you need to...