Place the Oreo cookies in a food processor and pulse until they become fine, uniform crumbs. If you don't have a food processor, you can put them in a sealed plastic bag and crush them with a rolling pin.
Transfer the fine cookie crumbs to a mixing bowl. Add the softened cream cheese and a few drops of pink food coloring. Mix thoroughly until all ingredients are well combined and form a thick, colored dough.
Using a small cookie scoop or a rounded teaspoon, scoop out portions of the mixture. Roll each portion between your palms to create smooth, round truffle balls, about 1.25 inches in size. Place them on a baking sheet lined with parchment paper.
Put the baking sheet with the truffle balls into the freezer for about 15-20 minutes. This quick chill helps them firm up and makes them easier to dip.
In a microwave-safe bowl, melt the vanilla candy coating. Heat in short bursts (around 20 seconds at a time), stirring well after each interval, until the coating is completely smooth and liquid.
Using a fork or a dipping tool, carefully dip each chilled truffle ball into the melted candy coating. Allow any excess coating to drip off. Gently place the coated truffle back on the parchment paper. Immediately sprinkle with your Valentine's Day sprinkles while the coating is still wet.
Once all truffles are dipped and decorated, return the baking sheet to the refrigerator for at least 15 minutes to allow the candy coating to fully set and harden. Serve at room temperature for the best taste and texture, and enjoy your lovely homemade treats!