Ionic 2 add andorid plateform error

when i use this command “ionic run andorid” then i got this error in command prompt.so i am unable to generate apk file for android so please any one help me

E:\Ionic ProgramTesting 07-11-2016\CircularModuleStudook>ionic run andorid

Running ‘run:before’ npm script before run

ionic-hello-world@ build E:\Ionic ProgramTesting 07-11-2016\CircularModuleStudook
ionic-app-scripts build
[11:40:45] ionic-app-scripts 0.0.30
[11:40:45] build prod started …
[11:40:45] clean started …
[11:40:45] clean finished in 54 ms
[11:40:45] copy started …
[11:40:45] ngc started …
[11:40:46] lint started …
[11:40:46] copy finished in 502 ms
[11:40:48] lint finished in 1.99 s
[11:41:27] ngc finished in 41.35 s
[11:41:27] bundle prod started …
[11:41:55] bundle prod finished in 28.37 s
[11:41:55] sass started …
[11:41:57] sass finished in 2.29 s
[11:41:57] minify started …
[11:41:57] cleancss started …
[11:41:57] uglifyjs started …
[11:42:09] uglifyjs finished in 11.93 s
[11:42:09] cleancss finished in 11.94 s
[11:42:09] minify finished in 11.94 s
[11:42:09] build prod finished in 84.02 s
• You’re trying to build for andorid but don’t have the platform installed yet.
∆ Installing andorid for you.
Error: Command failed: C:\WINDOWS\system32\cmd.exe /s /c “cordova platform add andorid”
Error: Platform “andorid” not recognized as a core cordova platform. See cordova platform list.

at ChildProcess.exithandler (child_process.js:213:12)
at emitTwo (events.js:87:13)
at ChildProcess.emit (events.js:172:7)
at maybeClose (internal/child_process.js:829:16)
at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5)

See cordova platform list.

please use this command
ionic platform add android