There are quite a few keyboard commands (if there is no reaction you will have to click the flash file once in order to activate the keyboard focus):

[1] - start/stop rotation 1
[2] - start/stop rotation 2
[3] - start/stop rotation 3
[4] - toggle flip tiles
[+]/[-] - more/less tiles
[q]/[w] - rotation 1 speed
[a]/[s] - rotation 2 speed
[y]/[x] - rotation 3 speed
[e] - reset rotation 1 speed
[d] - reset rotation 2 speed
[c] - reset rotation 3 speed
[UP]/[DOWN] - zoom in/out
[m]/[n] - spiral offset
[0] - reset spiral offset
[5]/[6] - shearing 1
[7]/[8] - shearing 2