Both Grapes and Cherries will only change Polished Andesite.
Items:
Grape Grenade Launcher
When right clicked will be thrown and splatter grapes (purple concrete) in a 3x3x3 area.
Cherry Bomb Launcher
When right clicked will be thrown and splatter cherries (red concrete) in a 3x3x3 area.
Grape Roller
When right clicked will splatter Grapes beneath the player in a 5x5 area (does not hit corners).
Cherry Roller
When right clicked will splatter Cherries beneath the player in a 5x5 area (does not hit corners).
Blocks:
HalfScaf
A slab that when crouched on makes the player go through it (is a bit buggy when places less than one block over something)
AwesomeDog Plush
Decoration block of my minecraft skin scaled to teddy-bear-like proportions.