Android Family Tree Designer is the Android Phone mobile companion for "Windows App Store Family Tree Designer" built for Windows 10 devices. Family Trees created by this app are fully compatible with Windows App Store Family Tree Designer. Only four types of relationship between people may be used to compose any family tree, they are partners, parents, children and siblings, all other information can be part of individual’s biography. In order for Android Family Tree Designer to use cloud storage "Microsoft OneDrive", aka SkyDrive to access Family Trees corresponding Microsoft’ “OneDrive” app must be installed. OneDrive, in turn, requires Microsoft account.