Android Question equivalent of "hello" & space(4) & world in B4A ?

Sub Space(Length As Int) As String
 Dim sb As StringBuilder
 sb.Initialize
 For i = 1 To Length
   sb.Append(" ")
 Next
 Return sb.ToString
End Sub

Dim strVar As String
strVar="Erel"
strVar=strVar & Space(10,"*")
Msgbox(strVar,"") 'displays Erel**********
strVar="NJDude"
strVar=strVar & Space(5,"!")
Msgbox(strVar,"") 'displays NJDude!!!!!

Sub Space(Length As Int, Character As String) As String
Dim sb As StringBuilder
sb.Initialize
For i = 1 To Length
sb.Append(Character)
Next
Return sb.ToString
End Sub