The resulting binary files for bitcoind and bitcoin - cli are installed on the device. (bitseed.org)
If you have just rooted your Samsung phone and a constant message of «Custom binary blocked by FAP lock «is popping on your screen, it means that you have flashed an unauthorized binary file on your phone and to ensure the phone's security, the phone is preventing itself to boot, since it has detected an -LSB-...] (androidfanclub.net)
«Companies are now deploying ways to look at traffic at the granular level and looking for irregularities» like binary files that have been sent from home routers. (inc.com)