I got this "please wait..." when I fired up Twimgo QML while I had no network connection.
Even when network came up, still Twimgo let me wait... I had to restart Twimgo.
IMHO Twimgo is in very early state, it not only does not request for network connection as all the other Maemo apps do, but there are many small bugs and flaws to be resolved. Try to use the search feature several times in sequence, or press the "load more" button multiple times... Twimgo gets confused easily.

Nevertheless Twimgo looks really fresh and THX for developing it. Twimgo could become the number one Twitter client!