LANNouncer can be used as a security camera itself, or it can download images from many IP Cameras with a little configuration. Those images can reside solely on the Android device, or LANNouncer can upload them to a Dropbox folder. And it can keep them until you delete them or it can keep them for a configurable number of days.
Quite a bit of control there.
The Android camera is accessed via Commands, specifically “@#PHOTO=BACK”. Other cameras can be named such as “@#RETRIEVE=camera_name”, where name is configured as follows:
These can be tricky to get correct; use your web browser and the internet to determine the correct strings.
Not displayed, at the bottom of this screen, is an option for how long photos should be retained. 0 means “don’t delete.”