Thanks Bitcoin4ik for the encouraging words.
1. Private key ownership - users will own their private key either by paper wallet (which is hard printed in our Pundi X Pass card) or it is stored in the app (which you also have the key). Fundamentally we have the flaws and strengths of paper/offline and online wallet.
1. Private key ownership - users will own their private key either by paper wallet (which is hard printed in our Pundi X Pass card) or it is stored in the app (which you also have the key). Fundamentally we have the flaws and strengths of paper/offline and online wallet.
Makes sense
2. For the device - I will share with you more about the specs if you are interested 
Yes, I am curious, and you mentioned that you speak Chinese, so maybe you paid China's ShenZhen a visit.