About Blokish
Blokish popular Android board Game.
Each player starts with 21 pieces : 1 monomino, 1 domono, 2 triominos, 5 tetraminos and 12 pentaminos.
"For first round, I must place a piece so that it touches one of the corners of the board"
"Next, a piece must be placed so that it touches a corner of one of my own pieces.
It may touch several corners, but never any side/edge of my pieces!" Look at screenshots or at the video.