7zip has been the greatest usage for limbo x86 on mobile. You just termux qemu-utils convert your qcow2 partitions to IMG and 7zip can read IMG file Try yours

7zip has been the greatest usage for limbo x86 on mobile. You just termux qemu-utils convert your qcow2 partitions to IMG and 7zip can read IMG file Try yourself to see you can extract from your emulated windows