CryptoCurrency Wallet just for XRP

Hi
i need professional team to make a crypto currency wallet like XUMM wallet based on XRP/XRPL
the wallet should have full functions like xumm
sign up - give random numbers in sign up which use for recovery too - send and receive and store xrp and..
please first check the wallet and functions then post your offers

i need you for both front-end and back-end and need your offers be reasonable
NEED THIS for both IOS/Android
thanks