When you have multiple mobile devices, languishing batteries aren't your only concern. Keeping your apps and their data in sync across all those devices is always a pain in one's extremities. Some apps can manage that for you, but not all of them. Google has app backups and syncing, but not all Android apps partake of that either. Fortunately, a solution might just be around the corner in the form of Nextbit's Baton. And it will be available in beta as a Cyanogen exclusive.