When there is a solution for a wallet that easy to use/maintain and hard to steal from.
For now I can not recommend any of my friends to save/use bitcoin, because showing them how to secure a wallet and use them properly is a "mission impossible" for non technical users.
Mycelium is pretty easy to use and safe enough for a hot wallet for non-technical people who use Android. I've had good experiences showing people that. You could assist your friends cold storing their BTC if they want to buy/hodl