We are not hijacking, just using the GoTo launch. As for Helper interface, there currently is no default helper id for a Map program. I am suggesting creating one (see http://www.palmos.com/dev/support/docs/palmos/PalmOSReference/Helper.html), so that there will be a standard interface for all Map programs. As for MemPtrSetOwner, it is there in the code. Read it again.
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