Answer from the Apps-Team:
I verified the Shindig code to confirm that this is the expected behavior by shindig. The code that replaces _MSG works only on gadget xml and not on html.
Hello Sven Vetter
Hope you are doing great!
I have a similar requirement for translating the phrases in my app.xml
Can you please help me by letting know the process you adopted for the translation for app.xml phrases.
Waiting for your reply.