diff --git a/Skills/Additional.md b/Skills/Additional.md
new file mode 100644
index 00000000..3b1971c8
--- /dev/null
+++ b/Skills/Additional.md
@@ -0,0 +1,96 @@
+## Kotlin Programming Skills
+
+### Language Fundamentals
+
+- Variables and Data Types
+  - val: 🖐️ used
+  - var: 🖐️ used
+  - String: 🖐️ used
+  - Int: 🖐️ used
+  - Double: 🖐️ used
+  - Boolean: 🖐️ used
+  - Nullable types: 🎓 known
+  - Arrays: 🖐️ used
+
+- Control Flow
+  - if: 🖐️ used
+  - when: 🖐️ used
+  - for and while loops: 🎓 known
+  - break and continue: 🎓 known
+  - return: 🖐️ used
+
+- Functions
+  - Function declaration: 🖐️ used
+  - Default and named parameters: 🎓 known
+  - Lambda expressions: 🎓 known
+  - Higher-order functions: 🎓 known
+
+- Classes and Objects
+  - Class declaration: 🖐️ used
+  - Object declaration: 🖐️ used
+  - Companion objects: 🎓 known
+  - Inheritance: 🎓 known
+  - Interfaces: 🖐️ used
+  - Data classes: 🎓 known
+
+- Null Safety
+  - Safe calls (?.): 🖐️ used
+  - Elvis operator (?:): 🎓 known
+  - !! operator: 🖐️ used
+  - Safe casts (as?): 🎓 known
+
+### Coroutines
+
+- Basics of Coroutines
+  - suspend functions: 🎓 known
+  - launch and async builders: 🎓 known
+  - CoroutineScope: 🎓 known
+
+- Coroutine Context
+  - Dispatchers: 🎓 known
+  - CoroutineExceptionHandler: 🎓 known
+
+- Channels
+  - Send and Receive channels: 🎓 known
+  - Buffered channels: 🎓 known
+  - Conflated channels: 🎓 known
+
+### Standard Library
+
+- Collections
+  - List: 🖐️ used
+  - Set: 🎓 known
+  - Map: 🖐️ used
+  - Extension functions: 🎓 known
+  - Functional operations (map, filter, reduce): 🎓 known
+
+- I/O Operations
+  - File operations: 🎓 known
+  - Input and Output streams: 🎓 known
+
+- Regex
+  - Regular expressions in Kotlin: 🎓 known
+
+### Android Development
+
+- Views and Layouts
+  - XML layouts: 🖐️ used
+  - ViewGroup and View: 🖐️ used
+
+- Activities and Fragments
+  - Activity lifecycle: 🎓 known
+  - Fragment lifecycle: 🎓 known
+
+- RecyclerView
+  - Adapter and ViewHolder: 🎓 known
+  - ItemDecoration: 🎓 known
+
+- ViewModel and LiveData
+  - ViewModel architecture: 🎓 known
+  - LiveData usage: 👂 heard
+
+### Dependency Management
+
+- Gradle
+  - Build scripts: 🎓 known
+  - Dependency configurations: 🎓 known
diff --git a/Skills/Async.md b/Skills/Async.md
index d4920e13..6102ef8c 100644
--- a/Skills/Async.md
+++ b/Skills/Async.md
@@ -3,24 +3,24 @@
 - Theory
   - Event loop: 🎓 known
   - try..catch: 🎓 known
-  - Non-blocking: 👂 heard
-  - Async I/O
-  - Thread pool
-  - Pattern Reactor
-  - CAS operations
+  - Non-blocking: 🎓 known
+  - Async I/O: : 🎓 known
+  - Thread pool: 🎓 known
+  - Pattern Reactor: 🎓 known
+  - CAS operations: 🎓 known
   - epoll
   - kqueue
-  - Completion ports
-  - Event ports
+  - Completion ports: 🎓 known
+  - Event ports: 👂 heard
   - libuv
-  - Race conditions
-  - Dead locks
-  - Live locks
-  - Concurrent programming: 👂 heard
-  - Parallel programming: 👂 heard
-  - Actor Model
-  - Thread
-  - Process
+  - Race conditions: 🎓 known
+  - Dead locks: 🎓 known
+  - Live locks: 🎓 known
+  - Concurrent programming: 🎓 known
+  - Parallel programming: 🎓 known
+  - Actor Model: 🎓 known
+  - Thread: 👂 heard
+  - Process: 👂 heard
 - Async contracts
   - Callbacks: 🎓 known
   - Callback-last-error-first: 🎓 known
@@ -33,31 +33,31 @@
   - Async Generator: 🎓 known
   - Async Iterator: 🎓 known
   - Event: 🎓 known
-  - Coroutine
-  - Goroutine
-  - Signal
-  - Stream
-  - Chain of responsibility
-  - Middleware
-  - Locks
+  - Coroutine: 🎓 known
+  - Goroutine: 👂 heard
+  - Signal: 🎓 known
+  - Stream: 🎓 known
+  - Chain of responsibility: 👂 heard
+  - Middleware: 🎓 known
+  - Locks: 🎓 known
 - Async adapters and utils
   - callbackify: 🎓 known
   - promisify: 🎓 known
-  - asyncify
-  - callbacks compose
-  - async compose
+  - asyncify: 🎓 known
+  - callbacks compose: 🎓 known
+  - async compose: 🎓 known
 - Async abstractions interfaces
   - EventEmitter: 🎓 known
   - Observable/Observer: 🎓 known
-  - Readable
-  - Writable
-  - Transform
-  - Async Pool
-  - Async Queue
-  - Async Collector
-  - Semaphore
-  - Mutex
-  - Spin Lock
+  - Readable: 🎓 known
+  - Writable: 🎓 known
+  - Transform: 🎓 known
+  - Async Pool: 🎓 known
+  - Async Queue: 🎓 known
+  - Async Collector: 🎓 known
+  - Semaphore: 🎓 known
+  - Mutex: 👂 heard
+  - Spin Lock: 🎓 known
 - JavaScript & Node.js specific
   - Timers: 🎓 known
   - setImmediate: 🎓 known
@@ -68,7 +68,7 @@
   - Promise double resolve
   - child_process
   - worker_threads
-  - Atomics
+  - Atomics: 👂 heard
   - High resolution clock
   - Callback hell
   - Promise hell
diff --git a/Skills/NodeJS.md b/Skills/NodeJS.md
index 4b99e862..8b050236 100644
--- a/Skills/NodeJS.md
+++ b/Skills/NodeJS.md
@@ -20,8 +20,8 @@
   - Dependencies: npm, node_modules: 🎓 known
   - Dependencies: package.json and package lock: 👂 heard
   - Module-based permissions model
-  - Isolation with modularity
-  - Dependency injection
+  - Isolation with modularity: 🎓 known
+  - Dependency injection: 🎓 known
   - DI containers
   - Coupling and cohesion
   - Framework agnostic approach
@@ -29,7 +29,7 @@
   - Command line arguments: 🎓 known
   - Node.js CLI: 👂 heard
   - Process-based permissions
-  - Graceful shutdown
+  - Graceful shutdown: 🎓 known
   - Clustering
   - Watch filesystem changes with --watch
 - Internal API
@@ -62,10 +62,10 @@
   - Module node:zlib
 - Application structure and architecture
   - Isolation between layer: 🎓 known
-  - Multilayer approach
+  - Multilayer approach: 🎓 known
   - Separation of concerns
   - Inversion of control
-  - Dependency injection
+  - Dependency injection: 🎓 known
   - GRASP
   - SOLID
   - GoF patterns
@@ -105,7 +105,7 @@
   - DNS
   - Fetch API
   - IncomingMessage
-  - SQL injection
+  - SQL injection: 🖐️ used
   - noDelay
   - keep-alive
   - ALPN
@@ -113,14 +113,14 @@
   - SSL certificates
   - Protocol agnostic approach
 - Technique and tools
-  - Native test runner
-  - Logging
-  - Application configuring
+  - Native test runner: 🎓 known
+  - Logging: 🎓 known
+  - Application configuring: 🎓 known
   - Testing: 🎓 known
-  - CI/CD
-  - Readable
-  - Writable
-  - Transform
+  - CI/CD: 🎓 known
+  - Readable: 🎓 known
+  - Writable: 🎓 known
+  - Transform: 🎓 known
   - back pressure
   - Buffer
   - Console: 🎓 known
@@ -130,8 +130,8 @@
   - Availability
   - Flexibility
 - Data access
-  - Data access layer: 👂 heard
-  - Repository: 👂 heard
+  - Data access layer: : 🎓 known
+  - Repository: : 🎓 known
   - Active record
   - Query builder
   - Object-Relational Mapping
diff --git a/Skills/Paradigms.md b/Skills/Paradigms.md
index 2d93369d..a4889036 100644
--- a/Skills/Paradigms.md
+++ b/Skills/Paradigms.md
@@ -5,21 +5,21 @@
   - Imperative programming: 🎓 known
   - Structured programming: 🎓 known
   - Non-structured programming: 👂 heard
-  - Functional programming: 👂 heard
+  - Functional programming: : 🎓 known
   - Prototype-based programming: 🎓 known
-  - Object-oriented programming: 🎓 known
+  - Object-oriented programming: 🙋 explained
   - Object-based programming: 🎓 known
   - Generic programming: 🎓 known
-  - Concurrent computing: 👂 heard
-  - Asyncronous programming: 👂 heard
-  - Parallel programming: 👂 heard
+  - Concurrent computing: 🎓 known
+  - Asyncronous programming: 🎓 known
+  - Parallel programming: 🎓 known
   - Reactive programming: 👂 heard
-  - FRP (Functional-reactive)
-  - Automata-based programming
-  - Domain-specific languages
+  - FRP (Functional-reactive): 👂 heard
+  - Automata-based programming: 👂 heard
+  - Domain-specific languages: 👂 heard
   - Multi-paradigm programming: 🎓 known
-  - Metaprogramming
-  - Actor model: 👂 heard
+  - Metaprogramming: 👂 heard
+  - Actor model: 🎓 known
 - OOP basics
   - constructor: 🖐️ used
   - new: 🖐️ used
@@ -31,36 +31,36 @@
   - Private fields: 🎓 known
   - Field declarations
   - Inheritance: 🎓 known
-  - Parent class
-  - Polymorphism
-  - Abstract class
-  - Interface
-  - Encapsulation
-  - Hidden class
-  - Object form
-  - instance
-  - Introspection
-  - Reflection
+  - Parent class: 🖐️ used
+  - Polymorphism: 🖐️ used
+  - Abstract class: 🖐️ used
+  - Interface: 🖐️ used
+  - Encapsulation: 🎓 known
+  - Hidden class: 🎓 known
+  - Object form: 🎓 known
+  - instance: 🎓 known
+  - Introspection: 🎓 known
+  - Reflection: 🎓 known
 - Patterns
   - Singleton: 🎓 known
-  - Factory Method
-  - Abstract Factory
-  - Adapter
-  - Observer
-  - Strategy
-  - Facade
-  - Proxy
-  - Chain of Responsibility
-  - Command
-  - Iterator
-  - State
-  - Bridge
-  - Builder
+  - Factory Method: 🎓 known
+  - Abstract Factory: 🎓 known
+  - Adapter: 🎓 known
+  - Observer: 🎓 known
+  - Strategy: 🎓 known
+  - Facade: 🎓 known
+  - Proxy: 🎓 known
+  - Chain of Responsibility: 👂 heard
+  - Command: 🎓 known
+  - Iterator: 🎓 known
+  - State: 🎓 known
+  - Bridge: 🎓 known
+  - Builder: 🎓 known
   - Prototype: 🎓 known
-  - Composite
-  - Decorator
-  - Flyweight
-  - Mediator
-  - Memento
-  - Template Method
-  - Visitor
+  - Composite: 👂 heard
+  - Decorator: 🎓 known
+  - Flyweight: 👂 heard
+  - Mediator: 👂 heard
+  - Memento: 👂 heard
+  - Template Method: 🎓 known
+  - Visitor: 🎓 known