I'm a wp8 sad case too. I looked at copay but the warnings about it being very beta and potentially eating your coins did not inspire me. On checking the store again it seems those warnings have subsided.
There is another paid wallet on there now by Kronolabs but most reviews still mention it being testnet only. As it's paid now it must be a full fat one. The lack of app reviews is pretty shocking.
I don't think I'll bother until an established wallet appears.
The warning is still there in terms and conditions, it needs so much more features, although it is working good as it is but I don't want to send a large amount of funds to it until I figure out how the keys work and will I be able to recover my funds from the back up in an another wallet.
Where can I get more help on copay? It's working fine but even the personal wallet has the address starting from 3 which is odd, there is no way to import keys into it and I want to know what happens if for some reason the app is down, how do one extract the keys out of the back up file which is really long.
You can either backup locally by saving backup plain text code and password or by saving into cloud(depreciated). You can't import address into wallet because you can't recover imported addresses from backup text.
And everytime I spent an input, there is a new address generated and the change is moved to there but does that mean one needs to take backup everytime after spending? Or else how will the new generated address key will get added to backup?
You only need to backup the text once. It is a mnemonic seed. See https://en.bitcoin.it/wiki/Deterministic_walletAlso, why is it when you open blockchain.info in a mobile broswer there is no option of importing keys??
For some reasons, they have disabled it. Maybe, they haven't got a good UI.
Tell me more MZ I am lost, will I be able to use that mnemonic elsewhere in some other wallet and use my funds for when the app is not working?? How to do that?
I did took a backup and put it somewhere safe but I have no idea how to extract my keys from it.
Yes, this is really odd, blockchain.info wallet has no import feature on mobile and also when you use it as block explorer for checking the balance of any address, it doesn't shows the sender's address, not even in Tx.
What's the best way to import a paper wallet in a windows phone to use it's funds??