I made some problems that you can solve on screen.
O X Place
http://inabapuzzle.com/honkaku/marupeke.html
Heteromino
http://inabapuzzle.com/honkaku/heteromino.html
Pure Loop
http://inabapuzzle.com/honkaku/plain.html
Teritorisu
http://inabapuzzle.com/honkaku/teritorisu.html
123 Place
http://inabapuzzle.com/honkaku/place123.html
Four Balls
http://inabapuzzle.com/honkaku/four.html
O X Place
http://inabapuzzle.com/honkaku/marupeke.html
Heteromino
http://inabapuzzle.com/honkaku/heteromino.html
Pure Loop
http://inabapuzzle.com/honkaku/plain.html
Teritorisu
http://inabapuzzle.com/honkaku/teritorisu.html
123 Place
http://inabapuzzle.com/honkaku/place123.html
Four Balls
http://inabapuzzle.com/honkaku/four.html