Name your register to begin.
Until it has a name there is nothing to invite candidates into, and nothing
to keep a copy of. It takes one field.
Your register is empty.
Add a candidate, or load the sample register to see how matching works.
Photograph a page and the app fills in what it can read. Nothing is saved until you have checked every field, and nothing is ever guessed.
Handwritten Kannada is the hardest case and often will not read at all. When that happens the app says so — it will not invent details.
A key kept in a browser can be read by anyone who picks up this device. Fine for trying it on your own phone with your own account — for real use, point at your own endpoint instead so the key stays on your server.
The register lives on this device. Take it with you whenever you want.
A CSV exported from whatever you keep the register in now. Nothing is written until you have seen what it will do, row by row.