This is a Reversi/Othello freeware / free game. It runs on most Java enabled phones including Symbian as well as Palm OS PDAs/Phones with 5.x and IBM WME (see below). New larger images. See wikipedia.org for rules for Reversi.
If you select your phone make/model in the upper left hand drop down below the 'home' link, you get the right version of the program for your phone including if it is for a phone with MIDP 1.0/2.0. Selecting the phone make/model is the best way to get the correct software for your device.

Features:

• Undo/redo
• Configuarable options on Game Options screen.
• Player vs player or against A.I.
• Up to 14 level A.I. The level is the number of moves the A.I. is to look ahead.
• For player vs player, the phone/PDA must be passed between the two players.
• The game state is saved when you go from the board to the menu.
• The last moves are marked with a black slash so that you know what the A.I. did and what you did.
• Works on Java enabled phones/devices.
• Works on Plam OS devices with IBM Websphere Micro Environment for Palm OS 5.x upwards.
• Source code available under GPL (i.e. open source software) at http://code.google.com/p/oware-midlet.

The current square on the board has a red or blue highlight to indicate that if select is used, a piece will be put into that square. If the square selected is not a valid move, no piece will be put in the square (and an invalid move error will be shown). The valid moves have a tiny black spot in them. The undo/redo is not saved when the program exits. Only the current game state is saved upon exit.