diff --git a/src/core-v2/build.ts b/src/core-v2/build.ts
index 4a3f721..de38570 100644
--- a/src/core-v2/build.ts
+++ b/src/core-v2/build.ts
@@ -9,6 +9,7 @@ import { variablesWithPrefix } from './variable-with-prefix'
 import { loadMappers } from './mappers'
 import { loadThemes } from './themes'
 import { dedupeProps } from './dedupe-props'
+import { loadSources } from './load-sources'
 
 const store = new Map()
 
@@ -56,14 +57,15 @@ export async function build(config: any): Promise<any> {
   const normalizedConfig = Array.isArray(config) ? config : [config]
   for (const themeConfig of normalizedConfig) {
     for (const entryKey in themeConfig.entry) {
-      const { mappers, sources, whitepaper } = await loadThemes(themeConfig.entry[entryKey])
+      // prettier-ignore
+      const { mappers, sources: src, whitepaper, platform } =
+        await loadThemes(themeConfig.entry[entryKey])
+      const sources = await loadSources(src, platform)
       // TODO: Load mappers in themes?
       store.set('mapper', await loadMappers(mappers))
       for (const _themeFileConfig of themeConfig.output.files) {
-        let styleDictionaryConfig: any = {}
         store.set('whitepaper', whitepaper)
-        styleDictionaryConfig = createStyleDictionaryConfig({
-          // TODO: Add sort by platform for all sources.
+        const styleDictionaryConfig = createStyleDictionaryConfig({
           source: sources,
           theme: entryKey,
           outDir: themeConfig.output.path,
diff --git a/src/core-v2/load-sources.ts b/src/core-v2/load-sources.ts
new file mode 100644
index 0000000..fa9847b
--- /dev/null
+++ b/src/core-v2/load-sources.ts
@@ -0,0 +1,27 @@
+import glob from 'fast-glob'
+
+import { Platforms, platforms } from '../core/platforms'
+import { getPlatformFromFilePath } from './utils'
+
+export async function loadSources(path: string[], platform: Platforms): Promise<string[]> {
+  const levels = platforms.get(platform)
+
+  if (levels === undefined) {
+    throw new Error(`Unexpected platform: ${platform}, please check configuration.`)
+  }
+
+  const files = await glob(path)
+
+  const result = files
+    .filter((file) => {
+      const filePlatform = getPlatformFromFilePath(file)
+      return levels.includes(filePlatform as Platforms)
+    })
+    .sort((a, b) => {
+      const a1 = getPlatformFromFilePath(a)
+      const b1 = getPlatformFromFilePath(b)
+      return levels.indexOf(a1) - levels.indexOf(b1)
+    })
+
+  return result
+}
diff --git a/src/core-v2/themes.ts b/src/core-v2/themes.ts
index c375f53..94a1893 100644
--- a/src/core-v2/themes.ts
+++ b/src/core-v2/themes.ts
@@ -1,10 +1,13 @@
 import { join } from 'path'
 import { readJSON } from 'fs-extra'
 
+import { Platforms } from '../core/platforms'
+
 type Themes = {
   mappers: string[]
   sources: string[]
   whitepaper: {}
+  platform: Platforms
 }
 
 function resolveRootDir(filePath: string): string {
@@ -14,13 +17,16 @@ function resolveRootDir(filePath: string): string {
 }
 
 export async function loadThemes(sources: string | string[]): Promise<Themes> {
-  const result: Themes = { mappers: [], sources: [], whitepaper: {} }
+  const result: Themes = { mappers: [], sources: [], whitepaper: {}, platform: 'common' }
   const normalizedSources = Array.isArray(sources) ? sources : [sources]
   for (const sourcePath of normalizedSources) {
-    const { mappers = [], sources = [], whitepaper }: Themes = await readJSON(sourcePath)
+    const { mappers = [], sources = [], whitepaper, platform }: Themes = await readJSON(sourcePath)
     result.mappers.push(...mappers.map(resolveRootDir))
     result.sources.push(...sources.map(resolveRootDir))
-    result.whitepaper = whitepaper
+    result.whitepaper = { ...result.whitepaper, whitepaper }
+    if (platform !== undefined) {
+      result.platform = platform
+    }
   }
   return result
 }
diff --git a/src/core-v2/utils.ts b/src/core-v2/utils.ts
index bbb12a0..6f78d80 100644
--- a/src/core-v2/utils.ts
+++ b/src/core-v2/utils.ts
@@ -1,3 +1,5 @@
+import { Platforms } from '../core/platforms'
+
 export function getFolderWithPlatform(fileName: string): string {
   const [name, platform] = fileName.split('@')
   if (platform === undefined) {
@@ -5,3 +7,8 @@ export function getFolderWithPlatform(fileName: string): string {
   }
   return `${name}/${platform}`
 }
+
+export function getPlatformFromFilePath(filePath: string): Platforms {
+  const matched = filePath.match(/@([\w|-]+)+\./)
+  return matched === null ? 'common' : (matched[1] as Platforms)
+}