Unfortunately, android-platform-core should first be fixed to accept a hash as an argument, otherwise any other version will fail. Don't know why we haven't done that before… On 2020年8月6日 20:44:23 GMT-04:00, Denis 'GNUtoo' Carikli wrote: >Hi, > >Here are two patches to export android-platform-system-core. > >This way it can be used as a dependency like that: >> (native-inputs >> `(("android-core" ,(android-platform-system-core >> (android-platform-version))))) > >Denis.