Picross S will contain 300 puzzles in Picross and Mega Picross modes. 5×5, 10×10, 15×15, and 20×15 puzzle sizes are included.
Unique to Switch is a new two-player mode, in which users can cooperate to solve puzzles or compete to solve squares. Various helpful features are included like the hint roulette and navigation feature. Jupiter also promises a renewed Picross and Mega Picross tutorial.
Picross S is launching sooner than you'd think, with a release planned for September 28. Pricing is set at $7.99 / €7.99 / £7.19.
http://nintendoeverything.com/jupiter-announces-picross-s-for-switch-out-next-week/
From Nintendolife.com
Pretty much a direct sequel to Picross e7 then.