Support iOS 14.

- fix 'null' error message appears on iOS12 after screen recording start. - other bug fix.

- Image stitch - Free crop - Text input (rotation, color, font, border, alpha) - Photo Sticker - Mosaic vertex color picking - Annotate secondary editing

[New Features]: - Open image from photo album - 40 emoji pictures provided in the annotation system - Two finger zoom in image

[New Features]: - Support auto rotate - Markup functions: Pen、Mosaic、Rectangle、Ellipse、Arrow - Advance markup functions(Pro): Smart mosaic、Auto text mark(iOS13)、Heart、Five-Pointed-Star

[New Features]: - Support iPad

[New Features]: - Auto remove AssistiveTouch (PRO) - Offer to upgrade from Standard Edition to Pro Edition - Save to app album setting [Bugfix]: - Resolve misalignment in the last screen at certain scroll speeds

[New Features]: - Auto remove scrollbar (PRO) - Timeout duration setting

[New Features]: -iPhone 8 Plus, iPad Pro, Apple Watch 5 Frame Mockup [Bugfix]: -When the app is run for the first time after a new installation (or every few days), Screen recording ended unexpectedly

[New Features]:      -iPhone Frame Mockup [Bugfix]:      -When the app is run for the first time after a new installation (or every few days), the long screenshot generated is wrong      -Clicking the crop button on the main page when there is no screenshot causes the app to crash      [UI improvements]:      -Increase the area of the scissors button on the crop page, making it easy to click      -beautify the crop icon on the main page and the scissors icon on the crop page

- New feature: long screenshot crop

【Bugfix】 - The broadcast extension crashed When the screen rolled back, affected phones: Plus series - When scrolling all the way up, the screenshot is misaligned

Add export screenshot function.

[Purchase changed]      1. Add the advance edition. Users who have purchased the standard edition will automatically upgrade to the advance edition.      2. The standard edition of the new version includes the functions of saving screenshot and subsequent basic editing and sharing.      3. The advance edition includes all the functions of the standard edition, and iPad version、advance functions that will be provided later. [Bug fix]      Fixed an bug where a low probability error data during the screen recording process caused the application to crash.