After touching any thumbnail word description picture appears.
Use button in the top right corner to return to scanword.
As soon as scanword is filled press the button at the right bottom corner of the screen. The correct words are highlighted in blue while the errors are highlighted in red. You can correct errors and press the button again to check if your input is correct. Given that there are no empty spaces in crossword and there is at least one correct answer the time spent per correct answer is put into Google Play Games powered leader board.
≡ menu at left top corner allows to start new game, check correctness of input, save game, load game, select scanword size, select language/topic of scanword, select hardness of scanword, either turn on or turn off sound, and either turn on or turn off hint.
It also allows you to turn on editing mode where you can select the scanword grid and than play on it.
Additionally you can print the grid and pictures to solve on paper.