minor updates and tweaks

Performance improvements, added settings menu and options, minor tweaks to user interface.

This is a major content and feature update. • Question bank nearly doubled: 359 → 584 questions, now including 70 diagram-based questions that test reading SysML v2 notation • Mock Exam is here: a full 90-question timed simulation, sampled to the official blueprint weighting, with pause/resume and a complete results review • Full content review — corrected inaccuracies and removed duplicate questions across the bank • Refreshed visual design As always, Cert Prep MU is an independent study aid and is not affiliated with or endorsed by the Object Management Group (OMG®).

Version 2.0 is a major update with three complete study modes: * Trainer — Practice at your own pace with topic filters, answer changes, and streak tracking to build mastery. * Mock Exam — Take a full 90-question exam that mirrors the official blueprint weighting, with a timer and your choice of instant or end-of-exam feedback. * Flash Cards — Quick review with tap-to-flip cards and shuffle mode, perfect for spare-minute studying. Also in this update: - New app icon and mode icons - Improved save reliability — your progress is protected even if the app is interrupted - Faster, more consistent performance across all modes As always, all data stays on your device. No accounts, no tracking, no internet required.