• Update SDK to v36 and fix associated bugs
• Add option to calculate touchpad drag latency

• Screen latency in shared buffer and full screen modes
• Systrace integration
• Accelerometer latency test (experimental)
• UI improvements
• Check out the new instructional videos
  https://www.youtube.com/playlist?list=PLd6Fi7WgXfcB4Ma6A-5rPlr1jptNR3RxQ

• Show results graphically:
  • Live histograms for tap, audio, MIDI and blink
  • Recorded audio waveform
  • Brightness as a function of time for a single blink
  • Calculation visualization for drag/scroll
• Improved documentation

• Many UI and stability fixes
• Add Settings screen
• Add About screen
• Works on ChromeOS (test images only, requires a helper python script)
• Screen latency timed from frame render start event

• (Re)program WALT hardware from Android device
• Cold-start audio latency

• Improved permissions handling
• Fix for better detection of up events in tap latency
• Stability fixes

Fix #7 - important, please update.
Also published as v0.1.3 on Google Play

Alternatively you can install the WALT app from Google Play

First public version of the apk (debug config). Note, it won't be able to do much without a properly programmed Teensy USB connected to the phone.