Here's some more info on the mobile versions of Denki Blocks!
Denki Blocks! on Mobile Phones
The mobile version of Denki Blocks! has puzzles for one player.

There are 16 puzzles in the mobile edition. (+ 4 bonus puzzles)

Some puzzles have Bonus shapes which can be made.

Denki Blocks! is currently available for the following Java enabled handsets on many different networks around the world:

Nokia 3410, 6310i, 3650 and 7650
Siemens M50, C55, MT50, and SL45i
Sharp GX10.
Various Sprint handsets in the US.

It can be payed in English, French, German, Spanish and Italian.

In the future, Denki Blocks! may also be available for other handsets not listed here. It can be purchased with retail packs (found at many selected mobile phone stores throughout the UK) or through your mobile network provider's normal mobile game download portal. Consult your network provider for more details.

Releases

Two editions of Denki Blocks! have been released so far.

The Jessop edition was released on 1st November 2002.

The Morton edition was released in July 2003

Further editions are planned