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There are many apps in Android that can run or emulate other operating systems, via utilizing hardware support for platform virtualization technologies, or via terminal emulation. Some of these apps support having more than one emulation/virtual file system for different OS profiles, thus the ability to have or run multiple OS's. Some even have support to run the emulation via a localhost SSH connection and latter versions of Android, some of these apps have been reporting issues as Google has heightened the security of file-access permissions on newer versions of Android. Some apps have difficulties or have lost access to SD card. It is also been reported that some of the apps have trouble utilizing packages like udisks2, Open vSwitch, Snort , and mininet, due to new hardware or Android API restrictions on apps that have been put into place in the recent years. Due to this, many of these app developers and their community members are stating that the emulation/VM app can run itself and an OS without being rooted, however not all packages will be able to run unless the device is rooted.