The android app is 80% Haskell. nostr:nprofile1qqsvnx99ww0sfall7gpv2jtz4ftc9v6wevgdd7g4hh7awkpfvwlezugpzamhxue69uhhxetpwf3kstnwdaejuar0v3shjtcpz4mhxue69uhkzmn5d9c8y6tdv9kzumn9wshszyrhwden5te0dehhxarj9ekk7mf0l9c9ve https://github.com/simplex-chat/simplex-chat/blob/stable/flake.nix#L443