ComPort for Android FT31xD Library 1.0 Full Source | 1 Mb
Delphi and C++ Builder communication library for FTDI FT311D and FT312D devices for Android.
Supports the complete FT311D/FT312D functionality
No special root access privileges needed
Available for Delphi/C++ Builder XE6-XE8
Source code included in full version
Royalty free distribution in applications