PDFTwinPage

This app lets two devices read a PDF book together over Bluetooth. One device shows left pages, the other shows right pages, just like a real book.

Tap the left device to go back two pages, tap the right device to go forward two pages, just like flipping through a real book.

Open source repository: https://github.com/cortalo/pdfreader

Setup (Do this once):

Pair both devices in Android Bluetooth settings first

Device 1 (Server):
1. Open the app
2. Grant Bluetooth permissions if asked
3. Tap "Start Server"
4. Wait for "Device connected!" message

Device 2 (Client):
1. Open the app
2. Grant Bluetooth permissions if asked
3. Tap "Select Device"
4. Choose the server device from the list
5. Wait for "Connected!" message

Both Devices:
1. Tap "Open PDF Reader"
2. Select the same PDF file
3. Start reading together!

Reading:
1. Left device shows odd pages (1, 3, 5...)
2. Right device shows even pages (2, 4, 6...)
3. Tap left device to go back, tap right device to go forward