..using RTAndroid 7.1 on RPi3 using ADB over network.
Update: RTAndroid has now become emteria.OS at https://emteria.com/.
Embarcadero has Linux (console) applications on their roadmap - but that is for AMD64 (x64 - see comments) only - read more about the product roadmap here.
Despite the above I did get my Delphi application running on the RPi 3 B hardware - read below: