Lazarus Archive · LZ-16870

HarrowKeys

Jetty Software, 2007. Application software for smartphones.

Description

A typing tutor for smartphones, sold to home users by Jetty Software.

Provenance

Deposited by Harbour Region Software Preservation Group in 2012. The service’s own export format was undocumented and was worked out from the data. Rebuilt from 3 damaged copies, none of them complete on its own.

Preservation

Fixity (SHA-256)
89d208a2d7b6e6df0df55c8a31cf1c52b6bdef291cacc20e66e35b926e767019
Last verified
Oct 29, 2026, by Vigil
Emulation profile
LZE-PHONE-1 · lz-arm core
Copies
Three, on two kinds of storage, in two cities
Original carriers
None. Captured over the network.

Access

Free, in the Lazarus reading room in Vancouver and in partner reading rooms. The license does not permit copies to be taken away.

In the reading room it runs in emulation under profile LZE-PHONE-1, from a read-only copy of the recovered image, as it would have on smartphones.

Cite as: Jetty Software, HarrowKeys (2007). Lazarus Archive, LZ-16870.

Also by Jetty Software

Nearby in Pocket and Mobile

The whole collection →