It seems that ft has a PlayBook version of their webapp in the works but haven't officially announced it yet. The link app.ft.com now seems to work in the web browser and it specifically says Ft PlayBook addition! I have to clear cache though if I want to reopen the link else I get an error msg. Hopefully they make it official soon!
I tried it and got an page that downloaded the articles for offline reading. But then on trying to get back into the app it tells me it can't find '/playbook' which is the same as what the sideloaded app has been telling me for a while.
Fingers crossed you are right and we will have a new FT app alongside the new Ecoomist app!
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