The following is the list of files and what they are:
app387.1        - install system for dos 3.3 (1 of 2)
app387.2        - install system for dos 3.3 (2 of 2)
appaaa.hlp      - list of files (like this one)
appaaa.new      - whats new in this release
appacc.hex	- apple com card hex
appacc.m65	- apple com card source
appace.hex	- ace dual card hex
appace.m65	- ace dual card source
appbel.bns	- apple gs alternate bell
appcat.hex      - apple cat hex
appcat.m65      - apple cat source
appccs.hex	- ccs 7710 com card hex
appccs.m65	- ccs 7710 com card source
appcps.hex	- cps com card hex
appcps.m65	- cps com card source
appgs.hex       - gs serial port com hex
appgs.m65       - gs serial port com source
apphmm.hex	- hayes micro modem card hex
apphmm.m65	- hayes micro modem card source
appicon.bns     - kermit icon for gs users
apple.doc	- complete documentation (it says here)
apple.mss	- Scribe text formatter source for documentation
apple.ps        - doc ready for post script printer
appmai.hex	- main kermit pgm hex
appmai.m65	- main kermit pgm source
appmak.unx	- make file for unix xasm (to assemble kermit)
appmsv.hex	- microtec com card hex
appmsv.m65	- microtec com card source
apppro.bns      - install system for prodos
appssc.hex	- super serial com card hex
appssc.m65	- super serial com card source
appxas.1	- 65c02 xasm for unix system part 1
appxas.2	- 65c02 xasm for unix system part 2
appxas.3	- 65c02 xasm for unix system part 3

 Now see apple.doc for details on capabilities and installation.