We remind that one of the main reasons why developers have been forced to deny third-party applications access to SD cards, there were problems with security. Google feared that malware can get access to the user's data and manipulate it for their own purposes.
But in Columbus , the situation must change. Google has an API for third-party applications to access storage cards. In fact, Android 5.0 users will be able to decide which of the installed on the mobile device applications to read and write data from a memory card.