Исправление багов, доработки в проекте, написанном на Java Android

Need to refine the ready client Minecraft 1.12.2 with mods and implement a custom interface design in the style of technical survival (Industrial / Tech Survival).What needs to be done1. Custom mod loading screen It is necessary to replace the standard Minecraft/Forge loading screen, which displays the mod loading process, with a custom design. Requirements: Style of technical survival (IndustrialCraft 2, Applied Energistics 2, Thermal Expansion, Mekanism, Ender IO, etc.). It should not just be a static image. Animation is needed (GIF-like effect, moving elements, animated gears, light effects, loading indicators, etc.). Real progress of mod loading must be displayed. All necessary client loading functions must remain without degrading stability. Implementation is done directly in the client/build.2. Custom main menu and server selection screen It is necessary to replace the standard Minecraft menu and server selection screen with a custom design. Requirements: Theme of technical survival. Quality background with animation or dynamic effects. Original design of buttons and interface elements. Fully functional buttons: Single player Multiplayer Settings Exit game Other standard functions A ready mod for menu customization can be used (for example, Custom Main Menu or another suitable for 1.12.2). After completion, the menu must be fully integrated into the client.What I provide Ready client Minecraft 1.12.2. Examples of the desired style (screenshots). Access to the build files if needed.Result of work Fully ready client with implemented changes. All necessary files and configs. Instructions for the changes made (if needed). Verification of the client's functionality after integration.Important I am looking for a person who has already worked with customization of Minecraft 1.12.2, Forge, and mod packs. Having examples of similar work will be an advantage. It is preferable to suggest your own ideas for design and animations in the Tech Survival style.

We have developed a CRM system for interaction with dentists and laboratories. It is necessary to integrate services like iTero, Sirona, Medit, and others so that files are pulled automatically.