Great Dice D&D is a free dice-rolling app that uses actual 3D-looking dice. For those of you with tablets and smartie cellphone telephones, give it a try.
From the app:
Forgot or lost your dice? Don’t have rare d20 or d100 dice? Then take your new dice, they are Great!
Advanced 3D graphics, realistic physical model and natural sound will make you feel like you have a set of nice dice in front of you. Moreover, you can change the color and style of dice and background. Choose the one that suits your game most.
Great D&D Dice is a great supplement for any game starting from classic Backgammon, Snakes and Ladders and Pachisi (ancient version of Ludo) to modern games like Monopoly, Dungeons and Dragons or Warhammer.
And there is a great range of dice games with no need of additional features, like good old Ship, Captain and Crew or Yahtzee or Farkle, etc.