HongKong is a version of the Mahjong patience game Shanghai.
It was written as a demonstration of Basalt and its Toolbox keywords.
It uses a drag-and-drop interface and differs in some other ways from
alternative versions, so it might be worth a look if you are a fan.
This version cures some serious problems with newer versions of RISC OS
on both ROL and ROOL forks. 
The new version has been tested on a variety of systems (thanks to Rob
Heaton) and can be downloaded from:
 For those want to know:
The ROL RO 4.39+ BASIC v1.29 has changed the position of some of the
arguments, which meant that Basalt was overwriting the returns code from
SYS calls. There is a ROOL BASIC v1.29 that does not do this!
The ROOL RO 5.17+ OS_Heap has been rewritten, and changes the previous
API, which Basalt relied on. This has caused problems for some other
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