Discount Retail Chain Lidl UK has recently added a self-scanning feature to its loyalty app and it could help cut customers time at the checkout. The update means shoppers can use their app to scan items with their phone before paying at a checkout. This feature was being tested out in a “friends and family” trial in four stores earlier this year, ahead of an expected rollout next year. Lidl has filed a trademark in Europe and the UK for “Lidl & Go” for digital payment and s