diff --git a/src/happyx_native/abstract/saving.nim b/src/happyx_native/abstract/saving.nim
index 5a4d709..c7742e4 100644
--- a/src/happyx_native/abstract/saving.nim
+++ b/src/happyx_native/abstract/saving.nim
@@ -1,8 +1,9 @@
 import
-  os,
-  json,
-  strformat,
-  strutils,
+  std/os,
+  std/json,
+  std/strformat,
+  std/strutils,
+  std/enumutils,
   ../app/app
 
 export
@@ -15,44 +16,128 @@ when defined(export2android):
     ../android/autils
 
 
-template saveAndLoad[T](saveFunc, loadFunc, parseFunc: untyped, tdesc: typedesc[T],
-                        genLoad: bool = true, genSave: bool = true) =
-  when genSave:
-    proc `saveFunc`*(filename: string, data: `tdesc`) =
-      when defined(export2android):
-        var sharedPreferences = appContext.getSharedPreferences(cfgAndroidPackageId(), MODE_PRIVATE)
-        sharedPreferences.edit().putString(filename, $data).apply()
-      else:
-        if not dirExists(getHomeDir() / "hpxnative"):
-          createDir(getHomeDir() / "hpxnative")
-        var
-          userFolder = getHomeDir() / "hpxnative" / filename
-          f = open(userFolder, fmWrite)
-        f.write($data)
-        f.close()
-  when genLoad:
-    proc `loadFunc`*(filename: string): `tdesc` =
-      when defined(export2android):
-        var sharedPreferences = appContext.getSharedPreferences(cfgAndroidPackageId(), MODE_PRIVATE)
-        return `parseFunc`(sharedPreferences.getString(filename, ""))
-      else:
-        if not dirExists(getHomeDir() / "hpxnative"):
-          createDir(getHomeDir() / "hpxnative")
-        if not fileExists(getHomeDir() / "hpxnative" / filename):
-          return `tdesc`.default
-        var
-          userFolder = getHomeDir() / "hpxnative" / filename
-          f = open(userFolder, fmRead)
-          data = f.readAll()
-        f.close()
-        return `parseFunc`(data)
-
-
-saveAndLoad(save, loadJson, parseJson, JsonNode)
-saveAndLoad(save, loadString, `$`, string)
-saveAndLoad(save, loadInt, parseInt, int)
-saveAndLoad(save, loadFloat, parseFloat, float)
-saveAndLoad(save, loadBool, parseBool, bool)
-saveAndLoad(save, loadHexInt, parseHexInt, int, genSave = false)
-saveAndLoad(save, loadHexInt, parseHexInt, int, genSave = false)
-saveAndLoad(save, loadOctInt, parseOctInt, int, genSave = false)
+proc save*(filename: string, data: string) =
+  ## Saves string in filename.
+  ## 
+  ## On Android it uses SharedPreferences to data saving
+  ## 
+  when defined(export2android):
+    var sharedPreferences = appContext.getSharedPreferences(cfgAndroidPackageId(), MODE_PRIVATE)
+    sharedPreferences.edit().putString(filename, data).apply()
+  else:
+    if not dirExists(getHomeDir() / "hpxnative"):
+      createDir(getHomeDir() / "hpxnative")
+    var
+      userFolder = getHomeDir() / "hpxnative" / filename
+      f = open(userFolder, fmWrite)
+    f.write(data)
+    f.close()
+
+
+proc save*(filename: string, data: SomeNumber) =
+  ## Saves number in filename.
+  ## 
+  ## On Android it uses SharedPreferences to data saving
+  ## 
+  filename.save($data)
+
+
+proc save*(filename: string, data: JsonNode) =
+  ## Saves JSON in filename.
+  ## 
+  ## On Android it uses SharedPreferences to data saving
+  ## 
+  filename.save($data)
+
+
+proc save*(filename: string, data: bool) =
+  ## Saves boolean in filename.
+  ## 
+  ## On Android it uses SharedPreferences to data saving
+  ## 
+  filename.save($data)
+
+
+proc save*[T: enum](filename: string, data: T) =
+  ## Saves Enum in filename.
+  ## 
+  ## On Android it uses SharedPreferences to data saving
+  ## 
+  filename.save(data.symbolName)
+
+
+proc loadString*(filename: string): string =
+  ## Loads string from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  when defined(export2android):
+    var sharedPreferences = appContext.getSharedPreferences(cfgAndroidPackageId(), MODE_PRIVATE)
+    return $sharedPreferences.getString(filename, "")
+  else:
+    if not dirExists(getHomeDir() / "hpxnative"):
+      createDir(getHomeDir() / "hpxnative")
+    if not fileExists(getHomeDir() / "hpxnative" / filename):
+      return `tdesc`.default
+    var
+      userFolder = getHomeDir() / "hpxnative" / filename
+      f = open(userFolder, fmRead)
+      data = f.readAll()
+    f.close()
+    return data
+
+
+proc loadJson*(filename: string): JsonNode =
+  ## Loads JSON from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseJson(filename.loadString())
+
+
+proc loadInt*(filename: string): int =
+  ## Loads integer from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseInt(filename.loadString())
+
+
+proc loadFloat*(filename: string): float =
+  ## Loads float from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseFloat(filename.loadString())
+
+
+proc loadBool*(filename: string): bool =
+  ## Loads boolean from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseBool(filename.loadString())
+
+
+proc loadHexInt*(filename: string): int =
+  ## Loads integer from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseHexInt(filename.loadString())
+
+
+proc loadOctInt*(filename: string): int =
+  ## Loads integer from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseOctInt(filename.loadString())
+
+
+proc loadEnum*[T: enum](filename: string): T =
+  ## Loads integer from filename
+  ## 
+  ## On Android it uses SharedPreferences to data loading
+  ## 
+  return parseEnum[T](filename.loadString())
diff --git a/tests/test/.gitignore b/tests/test/.gitignore
new file mode 100644
index 0000000..78a7926
--- /dev/null
+++ b/tests/test/.gitignore
@@ -0,0 +1,15 @@
+# Build
+build/
+*.apk
+*.exe
+
+# Android
+.gradle/
+.idea/
+
+# Logs
+*.log
+*.lg
+
+# Db
+*.db
diff --git a/tests/test/README.md b/tests/test/README.md
new file mode 100644
index 0000000..239b59b
--- /dev/null
+++ b/tests/test/README.md
@@ -0,0 +1,10 @@
+# test
+### made with HappyX Native with ❤
+
+## Get Started 👨‍🔬
+
+Main frontend file is `/assets/main.nim`. It compiles into JS.
+This files includes into `/assets/index.html`.
+
+Main file is `app.nim`. It compiles into C/C++.
+
diff --git a/tests/test/app.nim b/tests/test/app.nim
new file mode 100644
index 0000000..8c37b10
--- /dev/null
+++ b/tests/test/app.nim
@@ -0,0 +1,11 @@
+# Main native file
+import happyx_native
+
+
+callback:
+  # HappyX Native helloWorld callback
+  proc helloWorld() =
+    echo "Hello from Nim"
+
+
+nativeApp("/assets", resizeable = false, title = "test")
diff --git a/tests/test/assets/favicon.ico b/tests/test/assets/favicon.ico
new file mode 100644
index 0000000..46f49da
Binary files /dev/null and b/tests/test/assets/favicon.ico differ
diff --git a/tests/test/assets/favicon.png b/tests/test/assets/favicon.png
new file mode 100644
index 0000000..aec729c
Binary files /dev/null and b/tests/test/assets/favicon.png differ
diff --git a/tests/test/assets/index.html b/tests/test/assets/index.html
new file mode 100644
index 0000000..5c677a3
--- /dev/null
+++ b/tests/test/assets/index.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>test</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script src="main.js"></script>
+  </body>
+</html>
diff --git a/tests/test/assets/main.nim b/tests/test/assets/main.nim
new file mode 100644
index 0000000..6fb2665
--- /dev/null
+++ b/tests/test/assets/main.nim
@@ -0,0 +1,62 @@
+import
+  happyx,
+  jsffi
+
+
+# Object for working with HappyX Native
+var hpxNative {.importc, nodecl.}: JsObject
+
+var x = remember 0
+
+
+appRoutes "app":
+  "/":
+    tDiv(class = "container"):
+      tH1:
+        "test"
+      tDiv(class = "content"):
+        "x is {x}"
+        tButton:
+          "increase"
+          @click:
+            # Call HappyX Native callback named helloWorld without arguments
+            hpxNative.callNim("helloWorld")
+            x->inc()
+    tStyle: """
+      body {
+        padding: 0;
+        margin: 0;
+      }
+      .container {
+        color: #efefef;
+        width: 100vw;
+        height: 100vh;
+        display: flex;
+        flex-direction: column;
+        gap: 1rem;
+        background-color: #0A0A0A;
+        justify-content: center;
+        align-items: center;
+      }
+      .content {
+        gap: .2rem;
+        display: flex;
+        flex-direction: column;
+        align-items: center;
+      }
+      button {
+        padding: .4rem 1.2rem;
+        font-weight: bold;
+        transition: all;
+        border: none;
+        border-radius: 8px;
+        transition-duration: .3s;
+        background-color: #ecf;
+      }
+      button:hover {
+        background-color: #cbe;
+      }
+      button:active {
+        background-color: #bad;
+      }
+    """
diff --git a/tests/test/happyx.native.cfg b/tests/test/happyx.native.cfg
new file mode 100644
index 0000000..28cfd6a
--- /dev/null
+++ b/tests/test/happyx.native.cfg
@@ -0,0 +1,9 @@
+# HappyX Native config file
+[Main]
+name = r"test"
+kind = r"SPA"
+androidSdk = r"C:\Users\79833\AppData\Local\Android\Sdk"
+androidPackage = r"com.hapticx.tmpl"
+appDirectory = r"/assets"
+version = 1.0.0
+port = 5123  # uses in android build