Instructions for tri-booting Windows, Ubuntu and Android.  Installation uses five partitions: one for each OS of Windows, Ubuntu and Android, plus the UEFI and Windows recovery partitions and include grub together with my bootloader wrapper.

See https://docs.google.com/document/d/1Cp8PHEmNrlDufVoDpeEqNEdGWJi_cZ_Mo6VC7QDeN8s