is there tested and mature sdk/api for sending twitter,fb,email in s40 full touch asha os

we are now invest energy and time in s40 apps development.
so is there tested and mature sdk/api for...

how to realize copy and paste function in s40 full touch asha device.
i have an app, which need to copy the app's text, then past the content on the clipboard to s40's other app like: contact, sms,...

how to realize copy and paste function in s40 full touch asha device.
i have an app, which need to copy the app's text, then past the content on the clipboard to s40's other app like: contact, sms,...

nokia 808 belle fp2 os can not launch open a sis app
i developed a qt qml app, and it run well on other devices, when it runs on 808, it shall 'waiting' sign, and takes 5-6 seconds, still black...

i have similar problem as well, and i developed a qt qml app, and it run well on other devices, when it runs on 808, it shall 'waiting' sign, and takes 5-6 seconds, still black screen.

do you...