As Brazilian payment apps multiply, some warn of a shakeout

SAO PAULO (Reuters) - Banking apps backed by SoftBank Group Corp , China's Tencent Holdings Ltd and others are proliferating in Brazil, offering such a dizzying array of choices that sceptics say a shakeout looks increasingly inevitable.Customers can shop, open no-fee checking accounts and take out loans using digital wallets from retailers like Lojas Americanas , e-commerce platform Mercadolibre Inc and even small football team Avai. Brazil already has 50 million digital wallet accounts..