<s>
There	O
are	O
many	O
apps	O
in	O
Android	O
that	O
can	O
run	O
or	O
emulate	O
other	O
operating	B-General_Concept
systems	I-General_Concept
,	O
via	O
utilizing	O
hardware	O
support	O
for	O
platform	B-General_Concept
virtualization	I-General_Concept
technologies	I-General_Concept
,	O
or	O
via	O
terminal	B-Application
emulation	I-Application
.	O
</s>
<s>
Some	O
even	O
have	O
support	O
to	O
run	O
the	O
emulation	O
via	O
a	O
localhost	O
SSH	B-Protocol
connection	O
(	O
letting	O
remote	O
ssh	B-Protocol
terminal	O
apps	O
on	O
device	O
access	O
the	O
OS	O
emulation/VM	O
,	O
VNC	B-Protocol
,	O
and	O
XSDL	O
.	O
</s>
<s>
However	O
,	O
there	O
are	O
a	O
few	O
emulator	O
or	O
VM	O
apps	O
that	O
require	O
that	O
the	O
android	O
device	O
to	O
be	O
rooted	B-Application
for	O
the	O
app	O
to	O
work	O
,	O
and	O
there	O
are	O
others	O
that	O
do	O
not	O
require	O
such	O
.	O
</s>
<s>
Some	O
remote	O
terminal	O
access	O
apps	O
also	O
have	O
the	O
ability	O
to	O
access	O
Android	O
's	O
internally	O
implemented	O
Toybox	B-Language
,	O
via	O
device	O
loopback	O
support	O
.	O
</s>
<s>
Since	O
Android	B-Application
8	I-Application
(	O
Oreo	B-Application
)	O
and	O
latter	O
versions	O
of	O
Android	O
,	O
some	O
of	O
these	O
apps	O
have	O
been	O
reporting	O
issues	O
as	O
Google	B-Application
has	O
heightened	O
the	O
security	O
of	O
file-access	O
permissions	O
on	O
newer	O
versions	O
of	O
Android	O
.	O
</s>
<s>
It	O
is	O
also	O
been	O
reported	O
that	O
some	O
of	O
the	O
apps	O
have	O
trouble	O
utilizing	O
packages	O
like	O
udisks2	B-Application
,	O
Open	B-Language
vSwitch	I-Language
,	O
Snort	B-Language
(	O
software	O
)	O
,	O
and	O
mininet	O
,	O
due	O
to	O
new	O
hardware	O
or	O
Android	O
API	O
restrictions	O
on	O
apps	O
that	O
have	O
been	O
put	O
into	O
place	O
in	O
the	O
recent	O
years	O
.	O
</s>
<s>
Due	O
to	O
this	O
,	O
many	O
of	O
these	O
app	O
developers	O
and	O
their	O
community	O
members	O
are	O
stating	O
that	O
the	O
emulation/VM	O
app	O
can	O
run	O
itself	O
and	O
an	O
OS	O
without	O
being	O
rooted	B-Application
,	O
however	O
not	O
all	O
packages	O
will	O
be	O
able	O
to	O
run	O
unless	O
the	O
device	O
is	O
rooted	B-Application
.	O
</s>
<s>
+App	O
NameTypeDevice	O
architecture	O
&	O
OS	O
version	O
requirementGuest	O
OS	O
architectureRequires	O
rooted	B-Application
deviceConnection	O
technologiesReferencesTermuxEnhanced	O
Terminal	O
Emulator/Android	O
7.0	O
+same	O
as	O
hostNoEmulation	O
inside	O
app	O
(	O
none	O
)	O
UserLAnd	O
TechnologiesCompatibility	O
layer/Android	O
5.0	O
+same	O
as	O
host	O
(	O
sometimes	O
emulates	O
Aarch	B-Architecture
packages	O
for	O
ARM	B-Architecture
devices	O
if	O
"	O
arm64	B-Architecture
"	O
package	O
is	O
not	O
available	O
,	O
but	O
"	O
aarch32	O
"	O
or	O
"	O
aarch64	B-Architecture
"	O
package	O
is	O
available	O
.	O
</s>
<s>
)	O
NoSSH	O
,	O
VNC	B-Protocol
,	O
XSDL	O
(	O
supports	O
access	O
from	O
another	O
app	O
on	O
the	O
phone	O
that	O
links	O
to	O
these	O
technologies	O
.	O
)	O
</s>
<s>
SPC/ATComputer	O
system	O
emulatorarm	O
only	O
for	O
the	O
android	O
version	O
of	O
VMX86-64	O
PC	O
,	O
and	O
various	O
other	O
platformsGNURoot	O
DebianCompatibility	O
layer	O
?	O
/Android	O
versions	O
below	O
5.0same	O
as	O
hostNoAnLinuxCompatibility	O
layer	O
(	O
utilizes	O
Termux	B-Application
)	O
ARMv7	O
,	O
ARM64	B-Architecture
,	O
x86	B-Operating_System
,	O
x86-64/Android	O
5.0	O
+same	O
as	O
hostNoSSH	O
,	O
VNC	B-Protocol
(	O
similar	O
support	O
statement	O
like	O
in	O
UserLAnd	O
.	O
)	O
</s>
<s>
VMOS	O
(	O
software	O
)	O
platform	B-General_Concept
virtualization	I-General_Concept
app	O
?	O
/Android	O
5.0	O
+same	O
as	O
hostNoEmulation	O
inside	O
app	O
(	O
none	O
)	O
AndroNIXCompatibility	O
layer	O
(	O
utilizes	O
Termux	B-Application
)	O
ARMv7	O
,	O
ARM64	B-Architecture
,	O
x86-64/Android	O
5.1	O
+same	O
as	O
hostNoLinuxDeployCompatibility	O
layerARM	O
,	O
ARM64	B-Architecture
,	O
X86	B-Operating_System
,	O
x86-64	B-Device
,	O
emulation	O
mode	O
(	O
ARM	B-Architecture
~	O
86	O
)	O
/Android	O
4.0.3	O
+Yeslinux	O
on	O
dexSamsung	O
phones	O
only	O
/	O
Android	O
version	O
below	O
10NoVMware	O
Horizon	O
ClientDesktop	O
virtualization	O
?	O
/Android	O
5.0	O
+Connected	O
to	O
a	O
server	O
:	O
</s>
<s>
+App	O
NameNotesRefJuiceSSHOther	O
than	O
just	O
local	O
loopback	O
,	O
the	O
app	O
can	O
do	O
SSH	B-Protocol
,	O
telnet	O
,	O
and	O
Mosh	B-Protocol
.	O
</s>
<s>
ConnectBotOther	O
than	O
just	O
local	O
loopback	O
,	O
the	O
app	O
can	O
do	O
telnet	O
and	O
SSH	B-Protocol
.	O
</s>
<s>
TermiusOther	O
than	O
just	O
local	O
loopback	O
,	O
the	O
app	O
can	O
do	O
telnet	O
,	O
SSH	B-Protocol
,	O
and	O
SFTP	O
.	O
</s>
