Open another app as content handler
# this version wait for external app to exit, then it continue. import e32 lock = e32.Ao_lock() handler = appuifw.Content_handler(lock.signal) hander.open(filename) # eg. an image file lock.wait() # wait for lock.signal to unlock # this is a short, one-line version which doesn't wait appuifw.Content_handler().open(filename)