Credits ...

cred·it
noun
1.
the ability of a customer to obtain goods or services before payment, based on the trust that payment will be made in the future.
"I've got unlimited credit"
verb
1.
publicly acknowledge someone as a participant in the production of (something published or broadcast).
"the screenplay is credited to one American and two Japanese writers"
Prelude:
I could not have done this alone, here are those whose work I've used ...

The phone and tablet base photoshop mockups were not mine, the kudos for those belong to: