Supported Platforms:

Dalek should run on all Java-enabled phones. If it doesn't run on yours, please send me an email.

I (or others) successfully tested it on the following phones.

Siemens SL45i, M50, C55, M55, S55, SL55, SL65, M65, S65, CX65
Sony-Ericsson k300, T630, k500i, K750i
Nokia 3100, 3510i, 6010, 6230
Motorola v300, C650
Vodafone VPA Compact (≈HTC Magician)
Sagem my-x-7

Unsupported Platforms:

none so far.
The Siemens SX1 is supported with limited playability due to the strange key layout.