Does it support multiple creations - As of now we have not created any VAP's.Technically that is possible based on requirement.
Flashing mechanism
Primary
NAND flash supported in Beta Engineering release
Secondary
SD flash supported in Beta Engineering release
Prerequisites:You may need to compile your own uboot and copy files to build system before build.The reason is uboot code is not fully open.as of now we are not authorized to host binaries in RDKM(SD Monolitic image build and flashing steps for BPI R4.)