import envy

print envy.version
print envy.is_app_hidden() # not yet !
try:
  envy.set_app_hidden(1) # try to hide your application from tasklist
                         # (standalone) or python shell if you run it from there !
except: 
  print 'exception !'
  
print envy.is_app_hidden() # it should work !
print "now it's impossible to view icon in tasklist by pressing application key !"
print 'try now to go back in your application now after switching   ? :D'