"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.
The game has a nice and natural User Interface : just Drag & Drop the piece with the finger. Rotate a piece likewise.
You can flip a piece to its mirror position with a long-press gesture.
"If a cannot place any more piece I pass my turn."
You can see opponent's remaining pieces, by pressing corresponding tab.
The end of the game is reached when every player passes.
"My score is : addition of the squares of the pieces I placed".
Refer to 'Menu > Help' inside the app. With several screenshots.
You can safely quit at any time : your current game will be restored on next startup.
You play against the machine. You can configure the level of corresponding Artificial Intelligence : 4 levels. Refer to Menu > Preferences
To play against friends, you can disable AI. Go to Menu | Preferences. Later use the 4 tabs at the bottom to select next player.
Game under license GPLV3 Under licence GPLv3
original project Blokish http://scoutant.org, code source http://mbo-service.com/apps/Blokish/Blokish.zip