I don't have square, but PayPal card reader works perfectly. I can remember what my signature says, but I'm on cm9 nightly.
Sent from my cm_tenderloin using xda app-developers app
Phone: Samsung Galaxy Note 2
T-Mobile Stock Rom Rooted on ATT Phone
Gotta get used to this!
Phone: T-Mobile HTC Sensation 4G
Rom: Elegancia Sense 4.1 4G 7.0.0
Recovery: 4EXT Touch 126.96.36.199r9
SD Card: Sandisk 16GB Class: 10
Backup: HTC HD2
Backup Backup: HTC HD2
I guess I love devices that don't run their native os