I'm not sure if the hero... apks work but you can download this file here that has some apks of sprint apps.
http://depositfiles.com/en/files/vxrhune9s
file is flipz... has the following in there:
- Amazon mp3
- GSD (HTC test program that was draining battery)
- HTC Footprints
- HTC Ringtone trimmer
- HTC Sound recorder
- HTC Stocks
- Quick Office
- Learn more
- pdf viewer
- Sprint navigator
- Sprint Nascar
- Sprint TV
- Teeter