External W25Q32 SPI memory flash for ATMega328

For who does not beleve it is possible please check Basics to Developing Bootloader for Arduino | Arduino specially the "How to modify Arduino Bootloader" section. According to that doc we can read the compiled sketch in hex format from external source (e.g. memory card, eeprom)...

OK - do it then, if you get this working, I , for one will be extremely happy as this is something we have been looking to do for years!