Representatives from Service NSW were in Griffith City Library this week, helping teach residents how to use the COVID Safe QR check-in on their smart phones.

The QR code sign ins became mandatory for many businesses last year, but some Griffith venues stated residents often had trouble getting them to work.

A Service NSW spokesperson said the session in Griffith's library was to help people learn how to download their app and become proficient at using it.

"The Service NSW app is there to make life easier for people and save people's time," the spokesperson said.

"We want to make sure everybody feels comfortable using it."

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One resident who benefitted from the session was Val Giddey.

"I was just walking into the library and I saw that they were helping people out," Mrs Giddey said.

"It was very good ... it's all much simpler now."

Library assistant Sharmaine Delgado said the info session would be very helpful for residents who took part.

"We've noticed we have a lot of our patrons come in here and they struggle with the sign in with the QR codes," Mrs Delgado said.

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"We just know it's a lot easier when you've got that Service NSW app and also that there's a lot of services on that app that people in Griffith maybe don't know about."

"We're not as good at using the app as these representatives are so they can really help people out."

Service NSW representatives also showcased some lesser-known aspects of the app to residents, such as the digital driver license feature and how the Dine and Discover vouchers will work through the app.

The Dine and Discover scheme will be rolled out in March and will see NSW residents given access to $100 worth of vouchers to use at local businesses.

The scheme is designed to help local communities recover from the financial impact of the pandemic.