Hello sir/mam,
I hope you doing well,
We find our capabilities and expertise matching to your requirements,
so we take this opportunity to submit our proposal for your kind perusal.
As you required we will develop the app and app should surely have the interface like pinterest.
Also have all features as you mentioned.
please communicate with us for a conversation so we can discuss and move further.
We are into Mobile Apps, games Design & Development, Software Development and Website Design & Development.
we are very much detail oriented.
If you reply back then we can carry forward our discussion.
Looking forward to hear from you,
Regards,
Technoforce