Dragonface is a very intuitive piece of software that will let you edit and modify A10, A13 and A31 firmware images. You can quickly change your boot logo or animation; of course, you can do much more, pull, push and edit Init.rc or Script.fex, remove and add APK's, change basic info.
Download DragonFace v.2.1.0 from here, here or here.
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