diff --git a/README.md b/README.md
new file mode 100644
index 0000000..833ebf1
--- /dev/null
+++ b/README.md
@@ -0,0 +1,7 @@
+Proszę o sprawdzenie na
+                                                    ___   
+   ___     __      ___    _ _      ___      o O O  | __|  
+  / _ \   / _|    / -_)  | ' \    / -_)    o       |__ \  
+  \___/   \__|_   \___|  |_||_|   \___|   TS__[O]  |___/  
+_|"""""|_|"""""|_|"""""|_|"""""|_|"""""| {======|_|"""""| 
+"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'./o--000'"`-0-0-'
\ No newline at end of file
diff --git a/lab1.zip b/lab1.zip
new file mode 100644
index 0000000..c2a2571
Binary files /dev/null and b/lab1.zip differ
diff --git a/lab1/README.md b/lab1/README.md
new file mode 100644
index 0000000..833ebf1
--- /dev/null
+++ b/lab1/README.md
@@ -0,0 +1,7 @@
+Proszę o sprawdzenie na
+                                                    ___   
+   ___     __      ___    _ _      ___      o O O  | __|  
+  / _ \   / _|    / -_)  | ' \    / -_)    o       |__ \  
+  \___/   \__|_   \___|  |_||_|   \___|   TS__[O]  |___/  
+_|"""""|_|"""""|_|"""""|_|"""""|_|"""""| {======|_|"""""| 
+"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'./o--000'"`-0-0-'
\ No newline at end of file
diff --git a/lab2.zip b/lab2.zip
new file mode 100644
index 0000000..c59b501
Binary files /dev/null and b/lab2.zip differ
diff --git a/lab2/README.md b/lab2/README.md
new file mode 100644
index 0000000..833ebf1
--- /dev/null
+++ b/lab2/README.md
@@ -0,0 +1,7 @@
+Proszę o sprawdzenie na
+                                                    ___   
+   ___     __      ___    _ _      ___      o O O  | __|  
+  / _ \   / _|    / -_)  | ' \    / -_)    o       |__ \  
+  \___/   \__|_   \___|  |_||_|   \___|   TS__[O]  |___/  
+_|"""""|_|"""""|_|"""""|_|"""""|_|"""""| {======|_|"""""| 
+"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'./o--000'"`-0-0-'
\ No newline at end of file
diff --git a/lab2/app/src/main/java/com/example/lab2/PhoneDatabase.java b/lab2/app/src/main/java/com/example/lab2/PhoneDatabase.java
index 68ae0f2..054139e 100644
--- a/lab2/app/src/main/java/com/example/lab2/PhoneDatabase.java
+++ b/lab2/app/src/main/java/com/example/lab2/PhoneDatabase.java
@@ -25,8 +25,6 @@ public abstract class PhoneDatabase extends RoomDatabase {
         if (INSTANCE == null) {
             synchronized (PhoneDatabase.class) {
                 if (INSTANCE == null) {
-                    //context.deleteDatabase("phone_database");
-                    //Log.i("tag", "deleted db");
                     INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
                                     PhoneDatabase.class, "phone_database")
                             .addCallback(sRoomDatabaseCallback)
@@ -49,7 +47,6 @@ public abstract class PhoneDatabase extends RoomDatabase {
                         dao.insert(new Phone("Google", "Pixel 4", "11", "https://google.com"));
                         dao.insert(new Phone("Samsung", "Galaxy S21", "12", "https://samsung.com"));
                     });
-                    //Log.i("", "remake");
                 }
             };
 }
diff --git a/lab3.zip b/lab3.zip
new file mode 100644
index 0000000..80fa58d
Binary files /dev/null and b/lab3.zip differ
diff --git a/lab3/README.md b/lab3/README.md
new file mode 100644
index 0000000..833ebf1
--- /dev/null
+++ b/lab3/README.md
@@ -0,0 +1,7 @@
+Proszę o sprawdzenie na
+                                                    ___   
+   ___     __      ___    _ _      ___      o O O  | __|  
+  / _ \   / _|    / -_)  | ' \    / -_)    o       |__ \  
+  \___/   \__|_   \___|  |_||_|   \___|   TS__[O]  |___/  
+_|"""""|_|"""""|_|"""""|_|"""""|_|"""""| {======|_|"""""| 
+"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'./o--000'"`-0-0-'
\ No newline at end of file
diff --git a/lab4.zip b/lab4.zip
new file mode 100644
index 0000000..119abc1
Binary files /dev/null and b/lab4.zip differ
diff --git a/lab4/README.md b/lab4/README.md
new file mode 100644
index 0000000..833ebf1
--- /dev/null
+++ b/lab4/README.md
@@ -0,0 +1,7 @@
+Proszę o sprawdzenie na
+                                                    ___   
+   ___     __      ___    _ _      ___      o O O  | __|  
+  / _ \   / _|    / -_)  | ' \    / -_)    o       |__ \  
+  \___/   \__|_   \___|  |_||_|   \___|   TS__[O]  |___/  
+_|"""""|_|"""""|_|"""""|_|"""""|_|"""""| {======|_|"""""| 
+"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'./o--000'"`-0-0-'
\ No newline at end of file