Yes it is impossible to make a mistake when you transfer android to android files, photos, or movies. The reason why a person may want to do this is because of an upgrade in their android smart phone. We see that there are many new improvements in each generation of smart phones.Therefore, if you receive a new smart phone as a gift you can simply take your new phone and have all of the files exported from your old phone. This will allow you to save time by not having to enter all of that information in again.