is it possible to transfer bitcoin from one wallet to another wallet very easily?
Hello akborsagorsm.
Remember bitcoins aren't sent from wallet to wallet, they are sent from address to address. But what's the difference? let me explain you.
*In the wallet you can have multiple addresses.
*You can import your address from one wallet to another with your private key
*You can have the same address in different wallets at the same time.
So, answering your question, yes, is possible to "transfer" your bitcoins from one wallet to another, you just need to import the private key.