Collocations for mobile - adj.

be
become, get
Babies start to get mobile around the age of eight months.

remain

extremely, fairly, very, etc.
She remained fairly mobile despite her disabilities.

exceptionally, extraordinarily, highly
fully
The barbecue is fully mobile.

increasingly
geographically, socially
a geographically mobile population

downwardly, upwardly
downwardly mobile members of society

Mobile is used with these nouns:
application, camera, clinic, computer, connection, device, gadget, home, kitchen, library, missile, network, operator, phone, shop, subscriber, telecommunications, telephone, terminal, workforce