You can change the amount to increment in the options menu. Its also possible to change the orientation of the buttons in the options menu.
If you stumble over bugs, issues or simply want to recommend a change or upgrade feel free to send a mail to HandTallyHelp@Gmail.com
*A spelling error, spelling Classic as “Clasic”. Will be fixed in an update.
*When you exit the app in arcade mode and start it again the orientation becomes messed up. This will also be fixed in the next app uppdate.