A personal project to make phone calls easier for an elderly, non English-speaking parent that works entirely offline, and the long road through Whisper models, sherpa-onnx, frame-size crashes, and Android's scoped storage pitfalls before it finally worked with zipformer. 12 min read · Android · AI models · Bengali · ASR · On-device AI I wanted to build a simple tool for my elderly, non-English-speaking mother: an Android voice dialer that would let her say a Bengali nickname—like "মিলি" ...