Quick Sprite is a tool for Unity3D that can save a lot of time for developer and decrease total draw calls for 2D objects. In particular, it simply creates meshes with material and texture which is part of one texture atlas.
This tool will help if your game has many 2D objects. All you need is to merge all textures into one texture atlas and spend about 5 minutes in Quick Sprite to split them into different game objects which will be saving by batching.
