Crypto is a wild west where scam is some thing pretty common ,Everyday people lost money because of fake and fraudulent wallet services so let's get started.
1. Cryptonator
Cryptonator describe themselves as Digital multi currency wallet but it's natorious for stealing funds so be aware of this wallet service plus it's a web based wallet and the private keys are held by them.

2. Freewallet
Freewallet.org is a android wallet with shaddy reputation people complains a lot that they steal money and don't respond to any problem private keys are held by them so it's not safe to use freewallet , there are forums full of scam alerts about freewallet.

2.Wallets on Googleplay
There are many wallets on googleplay that are basically just a scam be aware of any wallet there except it's a official wallet.