Issue Solved !!!
1) Follow from 1-8 steps.
2) at Step 8, in the picture. Bundle Identifier (EXAMPLE): com.7urkm3n.testprofilenewtest.test-app
3) after creating and saving it.
4) Check your "cd ~/Library/MobileDevice/Provisioning\ Profiles/", You will see "xxx.mobileprovision" file.
5) In your rubyMotion app folder, goto Rakefile and add this:
Motion::Project::App.setup do |app|
app.name = 'MyAppName'
app.identifier = 'com.7urkm3n.testprofilenewtest.test-app'
6) then "rake device".
7) Check your a device and Run it.
NOTE: if will see a notification such as "Untrusted Developer", just goto your "Settings/General/Profile//Trust it.