Maybe nostr:nprofile1qqs9g69ua6m5ec6ukstnmnyewj7a4j0gjjn5hu75f7w23d64gczunmgpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qz9thwden5te0v35hgar09ec82c30wfjkcctexf34p3 can chime in on the compatibility between Android filesystems and LMDB. It would be nice to have some form of official OS-level review before using it. Especially when using encrypted storage via Dalvik -> ART apps.
Something tells me that Google has done some analysis and couldn't figure out what the impacts are.