This alternate camera will also show the satellite's telemetry rolling across the screen for another App, and there is a simple experiment also to sense the magnetic environment in space using the Nexus' own onboard magnetometer.

BBC: Strand-1 'phone-sat' ready for orbit

Regarding the longevity of storage media many of the products that we use today, hard disk drives, flash memory, optical discs and magnetic tape will react with the ambient environment and gradually lose the data stored on them or disintegrate over time.

FORBES: Storing Information for a Thousand Years

Until recently the longest living storage media has been magnetic tape which may be kept as long at 30 years in the right environment with good odds that the data can be read back (assuming that the playback devices for that media still exist).

FORBES: Storing Information for a Thousand Years