Heat oven to 400°F. Line cookie sheet with cooking parchment paper.
Onto sheet of parchment paper, unroll pie crust. Spread jam over crust. Unroll remaining pie crust over jam-spread pie crust.
Using pizza cutter, cut sandwiched pie crusts into 1x3/4-inch pieces. With fork, firmly press edges of each piece to seal. Place on cookie sheet.
Bake 8 to 10 minutes or until edges are light golden brown.
Meanwhile, in small microwavable bowl, microwave frosting on High 10 to 15 seconds or just until frosting is melted and can be stirred smooth.
Transfer pie bites from cookie sheet to cooling rack. Drizzle melted frosting over hot pie bites. Sprinkle with candy decors. Cool completely, about 20 minutes, before serving.