v3.6
1.Add comment function
2.Add installment function
3.Add remark history list
4.Update exchange rate synchronization function

v3.5
1. Add launch screen
2.Update UI
3. Add BCH, Satoshi, SYP, BYN Currency
4.Increase the maximum number of upload pictures limit
5. Fix bugs in some devices

v3.4
1. Update lock interface.
2. Fix some bugs.
3. Add multiple images upload.

v3.3.3
1. Improve main page list view loading performance
2. Fix bugs

v3.2.5
1. Update Dropbox API