in 1995-1998

McChinese for PSION EPOC16
         A Chinese software package for PSION little machines.
McJapanese for PSION EPOC16
         A Japanese software package for PSION little machines.
McChinese/32 for PSION EPOC32
         A software enable Chinese display and input for PSION New powerful machine.
McJapanese/32 for PSION EPOC32
         A software enable Chinese display and input for PSION New powerful machine.
Breakout for PSION EPOC16
         A little game for PSION little machine.
MEgg for PSION EPOC16 and EPOC32
         A Virtual pet for PSION devices.
HTML Viewer for PSION EPOC16
       InfoViewer for PSION EPOC16 (Customized version for On-board Info's products)
         A little software enable the PSION little machine can view home page contents.
Jongjong for PSION EPOC16, Jongjong/32 for PSION EPOC32
         A mahjong game for PSION devices.
MMM Sticker for PSION EPOC32
         A sticky memo software on PSION devices.

In 1991

Electronic Building Directory for IBM PC or Compatible (tailor-made)

Touch screen building directory with Hengseng Indies display.

Dah Shing Financial Center (Hong Kong) from 1991-1997

In 1990

Accfin Accounting System for IBM PC or Compatible.

A software package,that keep me alive for around ten years.

between 1981-1987

PC Olympic for Sharp PC-1500, An fields sport game for this single line screen device.

A 6502 CPU emulator for this single line screen device.