To change your wallet password in eWallet for Android:

1. Open your wallet file on the device.
   
2. On the menu bar, tap the More button (three vertical boxes icon).
3. Tap "Change Password".
4. Enter your wallet's current password, and then set a new password and password hint for your wallet file.

Note: If you synchronize your wallet with your desktop computer, make sure to also change your wallet password in the desktop version of eWallet as well.